diff --git a/Marchenko/1.c b/Marchenko/1.c
new file mode 100644
index 0000000..7e4a046
--- /dev/null
+++ b/Marchenko/1.c
@@ -0,0 +1,33 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+
+typedef struct Packet
+{
+int num;
+char str[255];
+float fnum;
+} Pack;
+
+int main(int argc, char *argv[])
+{
+
+    char rz[255];
+    FILE *f;
+    Pack temp;
+    if (argc>1)
+        { if ((f = fopen(argv[1],"rb"))==0) { printf("Open error\n"); return 1; } }
+    else {printf("Enter file name:\n");
+        scanf("%s",rz);
+        if (!(f=fopen(rz,"rb"))) {
+            printf("Open error");
+            return 0;
+            }
+        }
+    while ((fread(&temp,sizeof(Pack),1,f)!=0))
+        printf("%d\t%s\t%.2f\n",temp.num,temp.str,temp.fnum);
+    fseek(f, 0, SEEK_END);
+	printf("File size: %ld%s", ftell(f), " byte\n");
+	fclose(f);
+    return 0;
+}
diff --git a/Marchenko/data.dat b/Marchenko/data.dat
new file mode 100644
index 0000000..e5f0450
Binary files /dev/null and b/Marchenko/data.dat differ