#include <iostream> #include <cstring> using namespace std; int main() { int n; cin >> n; for(int j = 0; j < n ;j++){ for(int i = 0; i < n; i++) { string s; cin >> s; if(s == "bowl" || s == "knife" || s == "fork" || s == "chopsticks" ) { cout << s; } } } }