#include <iostream>
using namespace std;
bool prime(int a){
	for(int i=2; i*i<=a; i++)
	if(a%i==0) return false;
	return true;
}
int main() {
	int x=2, k=0;
	while(x<=50){
		if(prime(x)){
			cout<<x<<endl;
			string s;
			cin>>s;
			if(s=="yes"){
				k++;
			}
			if(x*x<=100){
				cout<<x<<endl;
				cin>>s;
				if(s=="yes"){
				k++;
			}
			}
				if(k>1){
					cout<<"composite"<<endl;
					return 0;
				}
			}
			x++;
		}
		cout<<"prime"<<endl;
	}