#include <bits/stdc++.h>
using namespace std;
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);
    if(h>20){
    	printf("%s %s",num[20],num[h-20]);
	}else{
		printf("%s",num[h]);
	}
    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;
}