import random
a=random.randint(1,20)
print 'please guess 1-20'
for g in range(1,7):
    print 'please write a number'
    guess=int(input())
    if guess>a:
        print 'your guess is too big'
    elif guess<a:
        print 'your guess is too low'
    else:
        print 'your guess num is '+str(a)
        break