ans = int(input())
min_guess = 0
max_guess = 100
 
print(min_guess, '<', '?', '<', max_guess)
 
guess = int(input())
 
while guess != ans:
    if guess >= max_guess or guess <= min_guess:
        print('out of range')
        print(min_guess, '<', '?', '<', max_guess)
        guess = int(input())
    elif guess > ans:
        max_guess = guess
        print('wrong answer, guess smaller')
        print(min_guess, '<', '?', '<', max_guess)
        guess = int(input())
    elif guess < ans:
        min_guess = guess
        print('wrong answer, guess larger')
        print(min_guess, '<', '?', '<', max_guess)
        guess = int(input())
else:
    print('bingo answer is', ans)

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NDUKMTAwCjUwCjMwCjMwCjQ1

45
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30
45