numbers = list(map(int, input().split()[:5]))

count = 1
count2 = 1
series = True

for i in range(1, 5):
    if numbers[i] == numbers[i - 1]:
        number = numbers[i]
        break

for i in range(1, 5):
    if numbers[i] == numbers[i - 1]:
        if number != numbers[i]:
            count2 += 1
            number2 = numbers[i]
            continue
        count += 1
    if numbers[i] < numbers[i - 1]:
        series = False

if count == 5:
    print('Impossible')
elif count == 4:
    print('Four of a Kind')
elif count == 3 and count2 == 2:
    print('Full House')
elif series:
    print('Straight')
elif count == 3:
    print('Three of a Kind')
elif count == 2 and count2 == 2:
    print('Two Pairs')
elif count == 2:
    print('One Pair')
else:
    print('Nothing')