题目:
https://www.luogu.com.cn/problem/P11019
#include<iostream>
#include<algorithm>
#include<string>
using namespace std;
int main(void)
{string s;string S;string m,n;getline(cin,s);for(int i = 0 ; i < s.size() ; i++){if(s[i] >= 'A' && s[i] <= 'Z'){S = S + s[i];}if(s[i] == ']')break;}for(int i = 0 ; i < S.size() ; i++){S[i] = tolower(S[i]);}S = '/' + S;cout << S; return 0;}