#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
	cin>>a>>b;
	switch (a+b){ //判断
		case 1:cout<<"one";
    break;
		case 2:cout<<"two";
    break;
		case 3:cout<<"three";
    break;
		case 4:cout<<"four";
    break;
		case 5:cout<<"five";
    break;
		case 6:cout<<"six";
    break;
		case 7:cout<<"seven";
    break;
		case 8:cout<<"eight";
    break;
		case 9:cout<<"nine";
    break;
		default:cout<<"None";
	}
	return 0;
}
//可直接用