num_a = int(input('pick a number: '))
num_b = int(input('pick another number: '))
lucky_num = 7

if num_a == num_b:
    print('You enter the same number')
elif num_a > 0 and num_b > 0:
    print('both numbers are positive')
elif num_a < 0 and num_b < 0:
    print('both numbers are negative')
else:
    print('numbers have opposite sign')

if num_a == lucky_num or num_b == lucky_num:
    print('you also guessed my lucky number!')
else:
    print('I have a secret number in mind...')