#include <bits/stdc++.h>
using namespace std;
void solve(){
    int x;cin >> x;
    switch(x){
    case 0:cout << "zero";break;
    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;
    }    
    return;
}
int main(){
    //int TC;cin >> TC;
    int TC = 1;
    while(TC--){
        solve();
    }
    return 0;
}