#拷贝下面程序到编辑器，并在双引号中输入你第i题的答案后，将程序提交到平台。
ans = list(0 for _ in range(10))
ans[1] = ""
ans[2] = ""
ans[3] = ""
ans[4] = ""
ans[5] = ""
i = int(input())
print(ans[i])
