sequence = input().split()
command = input()
count_moves = 1

while command != 'end':
    tokens = command.split()
    idx_one = int(tokens[0])
    idx_two = int(tokens[1])
    if idx_one != idx_two and 0 <= idx_one < len(sequence) and 0 <= idx_two < len(sequence):
        if sequence[idx_one] == sequence[idx_two]:
            print(f"Congrats! You have found matching elements - {sequence[idx_one]}!")
            indices = {idx_one, idx_two}
            sequence = [v for i, v in enumerate(sequence) if i not in indices]
        else:
            print(f"Try again!")
    else:
        print(f"Invalid input! Adding additional elements to the board")
        mid_point = len(sequence) // 2
        if idx_one < 0 or idx_two < 0:
            sequence = sequence[0:mid_point] + [('-' + str(count_moves) + 'a')] + [('-' + str(count_moves) + 'a')] + sequence[mid_point:]
        else:
            sequence = sequence[0:mid_point] + [(str(count_moves) + 'a') * 2] + [(str(count_moves) + 'a') * 2] + sequence[mid_point:]

    if len(sequence) == 0:
        break

    count_moves += 1
    command = input()
if len(sequence) > 0:
    print(f'Sorry you lose :(')
    print(' '.join(sequence))
else:
    print(f"You have won in {count_moves} turns!")