#include<stdio.h>
int main()
{
	char num[21][11] = {"zero","one","two","three","four","five","six","seven", 
	"eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen",
	"sixteen","seventeen","eighteen","nineteen","twenty"};
	char min[6][11] = {"ten","twenty","thirty","forty","fifty","sixty"};
    int h,m;
    scanf("%d %d",&h,&m);
    //首先先读“时”
    if (h>20)
        printf("%s %s",num[20],num[h-20]);
    else
        printf("%s",num[h]);
    
    //再读“分”
    if (m==0)
        printf(" o'clock");
    else
    {
        if (m>=20)
        {
            printf(" %s",min[m/10-1]);
            if (m%10!=0)
                printf(" %s",num[m%10]);
        }
        else
            printf(" %s",num[m]);
    }
	return 0;
}

#include <queue> 
#include <math.h> 
#include <stack> 
#include <stdio.h>
#include <iostream>
#include <vector> 
#include <iomanip> 
#include <string.h> 
#include <algorithm>
using namespace std;

int main() { int n , m ; cin >> n >> m; cout << a[n] <<" "; if(m == 0) cout <<"o'clock"; else cout << a[m]; return 0; }

int main()
{
	int n , m ;
	cin >> n >> m;
	cout << a[n] <<" ";
	if(m == 0)
		cout <<"o'clock";
	else 
		cout << a[m];
	return 0;
}