elements = input().split()
moves = 0
while True:
    command = input()
    if command == "end":
        break
    if len(elements) <= 0:
        print(f"You have won in {moves} turns!")
        break

    moves += 1
    command = command.split()
    first_index = int(command[0])
    second_index = int(command[1])
    if first_index == second_index or first_index > len(elements) or second_index > len(elements) \
            or int(first_index) < 0 or int(second_index) < 0:
        print("Invalid input! Adding additional elements to the board")
        middle_of_elements = len(elements) / 2
        frase = f"-{moves}a"
        elements.insert(int(middle_of_elements), frase)
        another_index = elements.index(frase)
        elements.insert(another_index + 1, frase)
    elif elements[first_index] == elements[second_index]:
        print(f"Congrats! You have found matching elements - {elements[first_index]}!")
        current_symbol = elements[first_index]

        elements.remove(current_symbol)
        elements.remove(current_symbol)


    elif elements[first_index] != elements[second_index]:
        print("Try again!")

if len(elements) > 0:
    print("Sorry you lose :(")
    print((" ").join(elements))