import collections

def card_input():
    txt = input()
    cards = list(txt.split())
    return cards

def judge(cards):
    c = collections.Counter(cards)
    values, counts = zip(*c.most_common())
    result = "NO HAND"
    if counts[0] == 3 and counts[1] == 2:
        result = "FULL HOUSE"
    elif counts[0] == 3 and counts[1] != 2:
        result = "THREE CARD"
    elif counts[0] == 2 and counts[1] == 2:
        result = "TWO PAIR"
    elif counts[0] == 2 and counts[1] != 2:
        result = "ONE PAIR"
    return result

print(judge(card_input()))