#include<iostream>
using namespace std;
int main()
{int a,b;
cin>>a>>b;
if(a+b==1)
cout<<"one"<<endl;
if(a+b==2)
cout<<"two"<<endl;
if(a+b==3)
cout<<"three"<<endl;
if(a+b==4)
cout<<"four"<<endl;
if(a+b==5)
cout<<"five"<<endl;
if(a+b==6)
cout<<"six"<<endl;
if(a+b==7)
cout<<"seven"<<endl;
if(a+b==8)
cout<<"eight"<<endl;
if(a+b==9)
cout<<"nine"<<endl;
if(a+b>9) 
cout<<"None"<<endl;
if(a+b<1 ) 
cout<<"None"<<endl;
return 0;
}