num = int(input('Enter the number: '))
if num == 1:
    print('1 = I')
elif num == 2:
    print('2 = II')
elif num == 3:
    print('3 = III')
elif num == 4:
    print('4 = IV')
elif num == 5:
    print('5 = V')
elif num == 6:
    print('6 = VI')
elif num == 7:
    print('7 = VII')
elif num == 8:
    print('8 = VIII')
elif num == 9:
    print('2 = IX')
elif num == 10:
    print('10 = X')
else:
    print('ERROR')
