HDU 2104

#include<iostream> #include<cstring> using namespace std; int main() { int n,m; int c; while(cin>>n>>m,m!=-1&&n!=-1) { while(m!=0) { c=n%m; n=m; m=c; } if(n==1) cout<<"YES"<<endl; else cout<<"POOR Haha"<<endl; } return 0; }