백준 27160 c++

#include <iostream>
#include <vector>
#include <map>
#include <algorithm>

using namespace std;

void input_voca(map<string, int> &card)
{
	int N, i, count;
	string str;

	cin >> N;
	for (i = 0; i < N; i++)
	{
		cin >> str >> count;
		card[str] += count;
	}

	return;
}

void find_answer(map<string, int> &card)
{
	int i;

	for (auto total : card)
	{
		if (total.second == 5)
		{
			cout << "YES\n";
			return;
		}
	}
	cout << "NO\n";

	return;
}

int main(void)
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	map<string, int> card;

	input_voca(card);
	find_answer(card);

	return 0;
}