import random
n=20
to_be_guessed=int(n*random.random())+1
guess=0
while guess!=to_be_guessed:
    guess=int(input('Enter the number:'))

    if guess>0:
        if guess>to_be_guessed:
            print('number is too large')
        elif guess<to_be_guessed:
            print('number is too small')
    else:
        print('sorry you have given up')
        break
else:
    print("number is correct")