diff --git a/BOJ/10972.py b/BOJ/10972.py
new file mode 100644
index 0000000..27e8fd7
--- /dev/null
+++ b/BOJ/10972.py
@@ -0,0 +1,20 @@
+# 10972 백준 실버3 다음 순열
+# 수학, 조합론
+# 해설참고
+
+import sys
+input = sys.stdin.readline
+
+n = int(input())
+array = list(map(int, input().split()))
+
+for i in range(n-1, 0, -1):
+    if array[i-1] < array[i]:
+        for j in range(n-1, 0, -1):
+            if array[i-1] < array[j]:
+                array[i-1], array[j] = array[j], array[i-1]
+                array = array[:i] + sorted(array[i:])
+                print(*array)
+                exit()
+
+print(-1)