#include<bits/stdc++.h>
using namespace std;
int h,m;
int main( ){
    string s[30] = {"zero","one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen","twenty","thirty","forty","fifty"};
    cin>>h>>m;
    if(m == 0){
        if(h <= 20){
            cout<<s[h]<<" "<<"o'clock";
        }else{
            cout<<s[20]<<" "<<s[h % 10]<<" "<<"o'clock";
        }
    }else{
        if(h <= 20){
            cout<<s[h]<<" ";
        }else{
            cout<<s[20]<<" "<<s[h % 10]<<" ";
        }
        if(m <= 20){
            cout<<s[m];
        }else{
            if(m > 20&&m < 30){
                cout<<s[20]<<" "<<s[m % 10];
            }else if(m >= 30&&m < 40){
                cout<<s[21]<<" "<<s[m % 10];
            }else if(m >= 40&&m < 50){
                cout<<s[22]<<" "<<s[m % 10];
            }else{
                cout<<s[23]<<" "<<s[m % 10];
            }
        }
    }
}
/**************************************************************
	Problem: 1837
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:93 ms
	Memory:2076 kb
****************************************************************/