diff --git a/2017/AUG.md b/2017/AUG.md
index d2640c7..805b824 100644
--- a/2017/AUG.md
+++ b/2017/AUG.md
@@ -12,7 +12,7 @@
 | [AUG17](https://www.codechef.com/AUG17) | [RAINBOWA](https://www.codechef.com/AUG17/problems/RAINBOWA) | ★★ | | [![image](../img/GH.png)](AUG/AUG17/RAINBOWA/RAINBOWA.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/14909134) (100 pts) [![image](../img/AC.png)](#) | [![image](../img/GH.png)](AUG/AUG17/RAINBOWA/RAINBOWA.java)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/14859923) (100 pts) [![image](../img/AC.png)](#) | |
 | [AUG17](https://www.codechef.com/AUG17) | [CHEFMOVR](https://www.codechef.com/AUG17/problems/CHEFMOVR) | ★★ | | | | |
 | [AUG17](https://www.codechef.com/AUG17) | [GCAC](https://www.codechef.com/AUG17/problems/GCAC) | ★★★ | | [![image](../img/GH.png)](AUG/AUG17/GCAC/GCAC.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/14947059) (100 pts) [![image](../img/AC.png)](#) | | |
-| [AUG17](https://www.codechef.com/AUG17) | [PALINGAM](https://www.codechef.com/AUG17/problems/PALINGAM) | ★★★ | | [![image](../img/GH.png)](AUG/AUG17/PALINGAM/PALINGAM.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/14908284) (100 pts) [![image](../img/AC.png)](#) | | |
+| [AUG17](https://www.codechef.com/AUG17) | [PALINGAM](https://www.codechef.com/AUG17/problems/PALINGAM) | ★★★ | | [![image](../img/GH.png)](AUG/AUG17/PALINGAM/PALINGAM.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/14908284) (100 pts) [![image](../img/AC.png)](#) | | [![image](../img/GH.png)](AUG/AUG16/PALINGAM/PALINGAM.py) [![image](../img/CC.png)](https://www.codechef.com/viewsolution/15596349) (100 pts) [![image](../img/AC.png)](#) |
 | [AUG17](https://www.codechef.com/AUG17) | [CHEFFA](https://www.codechef.com/AUG17/problems/CHEFFA) | ★★★★ | | | | |
 | [AUG17](https://www.codechef.com/AUG17) | [STRINGRA](https://www.codechef.com/AUG17/problems/STRINGRA) | ★★★★ | | | | |
 | [AUG17](https://www.codechef.com/AUG17) | [MATDW](https://www.codechef.com/AUG17/problems/MATDW) | ★★★★ | | | | |
@@ -26,7 +26,7 @@
 | Contest | Problem | [ECR](#ecr) | C | C++ | Java | Python |
 |:--------------|:----------------:|:----------------:|:----------------:|:----------------:|:-----------------:|:-----------------:|
 | [COOK85](https://www.codechef.com/COOK85) | [ELEVSTRS](https://www.codechef.com/COOK85/problems/ELEVSTRS) | ★★ | | [![image](../img/GH.png)](AUG/COOK85/ELEVSTRS/ELEVSTRS.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/15044633) (100 pts) [![image](../img/AC.png)](#) | | |
-| [COOK85](https://www.codechef.com/COOK85) | [OBTTRNGL](https://www.codechef.com/COOK85/problems/OBTTRNGL) | ★★★ | | [![image](../img/GH.png)](AUG/COOK85/OBTTRNGL/OBTTRNGL.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/15051769) (100 pts) [![image](../img/AC.png)](#) | | |
+| [COOK85](https://www.codechef.com/COOK85) | [OBTTRNGL](https://www.codechef.com/COOK85/problems/OBTTRNGL) | ★★★ | | [![image](../img/GH.png)](AUG/COOK85/OBTTRNGL/OBTTRNGL.cpp)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/15051769) (100 pts) [![image](../img/AC.png)](#) | | [![image](../img/GH.png)](AUG/COOK85/OBTTRNGL/OBTTRNGL.py)  [![image](../img/CC.png)](https://www.codechef.com/viewsolution/15057276) (100 pts) [![image](../img/AC.png)](#) |
 | [COOK85](https://www.codechef.com/COOK85) | [MTRXMOD](https://www.codechef.com/COOK85/problems/MTRXMOD) | ★★★★ | | | | |
 | [COOK85](https://www.codechef.com/COOK85) | [GAMSTICK](https://www.codechef.com/COOK85/problems/GAMSTICK) | ★★★★★ | | | | |
 | [COOK85](https://www.codechef.com/COOK85) | [TRCNTCT](https://www.codechef.com/COOK85/problems/TRCNTCT) | ★★★★★ | | | | |
diff --git a/2017/AUG/AUG17/PALINGAM/PALINGAM.py b/2017/AUG/AUG17/PALINGAM/PALINGAM.py
new file mode 100644
index 0000000..640bb88
--- /dev/null
+++ b/2017/AUG/AUG17/PALINGAM/PALINGAM.py
@@ -0,0 +1,28 @@
+t = int(input())
+while t > 0:
+    a = input()
+    b = input()
+    la = list()
+    lb = list()
+    la = 26 * [0]
+    lb = 26 * [0]
+    sa = set()
+    sb = set()
+    for i in range(len(a)):
+        la[ord(a[i]) - ord('a')] += 1
+        lb[ord(b[i]) - ord('a')] += 1
+        sa.add(a[i])
+        sb.add(b[i])
+    p = int(1)
+    for i in range(26):
+        if la[i] > 1 and lb[i] == 0:
+            p = 0
+            print("A")
+            break
+        elif sb.issubset(sa) and not(sb.issuperset(sa)):
+            print("A")
+            p = 0
+            break
+    if p == 1:
+        print("B")
+    t -= 1
diff --git a/2017/AUG/COOK85/OBTTRNGL/OBTTRNGL.py b/2017/AUG/COOK85/OBTTRNGL/OBTTRNGL.py
new file mode 100644
index 0000000..3ce3bde
--- /dev/null
+++ b/2017/AUG/COOK85/OBTTRNGL/OBTTRNGL.py
@@ -0,0 +1,15 @@
+t = int(input())
+for i in range(t):
+    n,x,y = map(int ,input().split())
+    a = min(x,y)
+    b = max(x,y)
+    b = b - a + 1
+    a = 1
+    if (n%2 == 0 and n/2 == b - a) or (b - a == 1 or b == n):
+        print("0")
+    else:
+        if b > n/2 + 1:
+            print(n - b)
+        elif b < n/2 + 1:
+            print(b - 2)
+            
diff --git a/2017/OCT/OCT17/CHEFGP.py b/2017/OCT/OCT17/CHEFGP.py
new file mode 100644
index 0000000..00a2679
--- /dev/null
+++ b/2017/OCT/OCT17/CHEFGP.py
@@ -0,0 +1,64 @@
+t = int(input())
+while t > 0:
+    s = input()
+    w = ""
+    x, y = map(int, input().split())
+    na = s.count("a")
+    nb = s.count("b")
+    if na > nb:
+        smax = "a"
+        smin = "b"
+    else:
+        smax = "b"
+        smin = "a"
+        tamp = na
+        na = nb
+        nb = tamp
+        tamp = x
+        x = y
+        y = tamp
+    h = ""
+    xa = na/x
+    mini = int(min(xa, nb))
+    h = h + smax * x
+    h = h + smin
+    w = w + h * mini
+    ra = na - mini * x
+    rb = nb - mini
+    if ra < x and ra > 0:
+        w = w + smax * ra
+        if rb != 0:
+            w = w + smin
+            rb -= 1;
+    elif ra >= x:
+        k = x
+        i = 0
+        while i < ra:
+            if k == 0:
+                w = w + "*"
+                k = x
+            else:
+                w = w + smax
+                k -= 1
+                i += 1
+    if rb < y and rb > 0:
+        w = w + smin * rb
+    elif rb >= y:
+        if smin == "b":
+            c = 'b'
+        else:
+            c = 'a'
+        l = len(w)
+        i = int(1)
+        while rb > 0 and i < l:
+            if w[i] != c:
+                w = w[:i] + smin + w[i:]
+                i += 1
+                rb -= 1
+                l += 1
+            else:
+                i += 1
+            i += 1
+    print(w)
+    t -= 1
+