#include <stdio.h>

void speakOut(int num) {
    switch (num) {
        case 0: printf("zero"); break;
        case 1: printf("one"); break;
        case 2: printf("two"); break;
        case 3: printf("three"); break;
        case 4: printf("four"); break;
        case 5: printf("five"); break;
        case 6: printf("six"); break;
        case 7: printf("seven"); break;
        case 8: printf("eight"); break;
        case 9: printf("nine"); break;
        case 10: printf("ten"); break;
        case 11: printf("eleven"); break;
        case 12: printf("twelve"); break;
        case 13: printf("thirteen"); break;
        case 14: printf("fourteen"); break;
        case 15: printf("fifteen"); break;
        case 16: printf("sixteen"); break;
        case 17: printf("seventeen"); break;
        case 18: printf("eighteen"); break;
        case 19: printf("nineteen"); break;
        case 20: printf("twenty"); break;
        case 30: printf("thirty"); break;
        case 40: printf("forty"); break;
        case 50: printf("fifty"); break;
        default: speakOut(num / 10 * 10); printf(" "); speakOut(num % 10);
    }
}

int main() {
    int hr, min;
    scanf("%d %d" , &hr, &min);
    speakOut(hr);
    printf(" ");
    if (min == 0) {
        printf("o'clock");
    }
    else {
        speakOut(min);
    }
    return 0;
}