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

storage/zeta/py/completed/1676_shortcut.py

@@ -0,0 +1,16 @@
+def solve(N):
+    if N == 0 or N == 1:
+        return 0
+    count5 = 0
+
+    for i in range(5, N + 1, 5):
+        while i % 5 == 0:
+            if i % 5 == 0:
+                i //= 5
+                count5 += 1
+
+    return count5
+
+
+if __name__ == '__main__':
+    print(solve(int(input())))