#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(15))
ans[1] = ""
ans[2] = ""
ans[3] = ""
ans[4] = ""
ans[5] = ""
ans[6] = ""
ans[7] = ""
ans[8] = ""
ans[9] = ""
ans[10] = ""
i = int(input())
print(ans[i])