def timeInWords(h, m):
    num_words = {
        1: "one", 2: "two", 3: "three", 4: "four", 5: "five", 6: "six",
        7: "seven", 8: "eight", 9: "nine", 10: "ten", 11: "eleven",
        12: "twelve", 13: "thirteen", 14: "fourteen", 15: "quarter",
        16: "sixteen", 17: "seventeen", 18: "eighteen", 19: "nineteen",
        20: "twenty", 21: "twenty one", 22: "twenty two", 23: "twenty three",
        24: "twenty four", 25: "twenty five", 26: "twenty six", 27: "twenty seven",
        28: "twenty eight", 29: "twenty nine", 30: "half"
    }
    
    if m == 0:
        return f"{num_words[h]} o' clock"
    
    if m == 15 or m == 30:
        return f"{num_words[m]} past {num_words[h]}"
    
    if m == 45:
        next_hour = h + 1 if h < 12 else 1
        return f"quarter to {num_words[next_hour]}"
    
    if m < 30:
        minute_word = "minute" if m == 1 else "minutes"
        return f"{num_words[m]} {minute_word} past {num_words[h]}"
    
    next_hour = h + 1 if h < 12 else 1
    minute_word = "minute" if (60 - m) == 1 else "minutes"
    return f"{num_words[60 - m]} {minute_word} to {num_words[next_hour]}"