#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];
			}
		}
	}
	
    return 0;
}



/**************************************************************
	Problem: 1837
	User: admin
	Language: C++
	Result: Accepted
	Time:113 ms
	Memory:2076 kb
****************************************************************/