#include <iostream> using namespace std; int main() { int a, b; while (cin >> a >> b) { // 注意 while 处理多个 case if(a==b) { cout<<"draw"<<endl; break; } switch ((a-b)>0?1:0) { case 1: cout<<"kou"<<endl; break; case 0: cout<<"yukari"<<endl; break; } } } // 64 位输出请用 printf("%lld")