#include <iostream> #include <vector> using namespace std; int main() { vector<int> alpha(26, 0); string s, t; cin >> s >>t; for(const char& c: t) { ++alpha[c - 'a']; } for(const char& c: s) { if(alpha[c - 'a'] == 0) { cout << "false" << endl; return 0; } } cout << "true" << endl; return 0; }