#include "testlib.h" #include <bits/stdc++.h> using namespace std; int main(int argc, char* argv[]){ registerValidation(argc, argv); long long a=inf.readLong(1ll,1000000000ll);inf.readSpace(); long long b=inf.readLong(1ll,1000000000ll);inf.readEoln(); inf.readEoln(); b*=3600; a*=1000; if(a>b){cout << "KoD\n";} else if(a<b){cout << "blackyuki\n";} else{cout << "same\n";} return 0; }