문제
풀이
#include <algorithm>
#include <iostream>
#include <string>
using namespace std;
bool solve(void) {
string a; cin >> a;
string b; cin >> b;
string c; cin >> c;
return a.find(c) != string::npos && b.find(c) != string::npos;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << (solve() ? "YES" : "NO");
return 0;
}