restructure zeta/** to storage/zeta/**

storage/zeta/c/completed/24263.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main() {
+    int n;
+    scanf("%d", &n);
+    printf("%d\n%d\n", n, 1);
+
+    return 0;
+}