感谢大佬

#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <cstring>
#include <map>

using namespace std;

const int MAXL = 1e4+10;

map<string,string> user;
map<string,int> num;

int main(){
	
	//freopen("test.in","r",stdin);
	//freopen("test.out","w",stdout);
	
	int l,cnt = 0;
	
	scanf("%d",&l);
	
	for(int i = 1; i <= l; i++){
		char s[MAXL],s1[15],s2[MAXL];
		char ch;
		
		bool v = 1;
		
		while((ch=getchar()) != ' ') if(ch == '_') v = 0;
		
		scanf("%s",s);
		
		int name_len,len = strlen(s),user_len = 0;
		
		for(name_len = 0; s[name_len] != '('; name_len++){
			s1[name_len] = s[name_len];
		}
		
		
		bool m = 1;
		
		for(int j = name_len+2; j < len-2; j++){
			if(s[j]!='"'){
				s2[user_len] = s[j];
				user_len++;
			}
			if(s[j] == '"') m = 0;
		}
		
		
		
		if(m) user[s1] = user[s2];
		
		else {
			user[s1] = s2;
			num[s2] = user_len;
		}
		
		
		if(v) cnt += num[user[s1]];
		
	}
	
	printf("%d",cnt);
	return 0;
}