def main(n: str):
    
    x = n.split(' ')
    
    card_list = sorted(x)
   
    card_set = set(card_list)
    
    if len(card_set) == 5:
        print("NO HAND")
    
    if len(card_set) == 1:
        print("NO HAND")
    
    elif len(card_set) == 4:
        print("ONE PAIR")
    
    elif len(card_set) == 2:
        if card_list.count(card_list[2]) == 3:
            print("FULL HOUSE")
        else:
            print("NO HAND")
        
        
    elif card_list.count(card_list[1]) == 2:
        print("TWO PAIR")
    
    else:
        print("THREE CARD")
    

if __name__ == "__main__":
    n = input()
    main(n)