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