Submission #4211484

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Source Code Expand

#include<iostream>
#include<string>
#include<algorithm>
#include<math.h>
#include<queue>
#include<set>
#include<map>

using namespace std;

multiset<int> ab;
int main() {

	for (int i = 0; i < 3; i++) {
		int tmp1, tmp2;
		cin >> tmp1 >> tmp2;

		ab.insert(tmp1);
		ab.insert(tmp2);
	}

	for (int i = 1; i <= 4; i++) {
		if (ab.count(i) == 2) {
			cout << "YES" << endl;

			return 0;
		}
	}

	cout << "NO" << endl;


	return 0;
}

Submission Info

Judge Result