Conjecture

#include <iostream>
#include <string>
using namespace std;

int main () {
	int a;
	int b;
	int f;
	cin >> a;
	cin >> b;
	cin >> f;
	string aa;
	string bb;
	string ff;
	cin >> aa;
	cin >> bb;
	cin >> ff;
	string ss = aa + bb;
	if (ss.find(ff) == string::npos){
		cout << "YES";
		exit(0);
	}
	ss = bb + aa;
	if (ss.find(ff) == string::npos){
		cout << "YES";
		exit(0);
	}
	cout << "NO";

}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: WRONG ANSWER