k = 0
if k == 0:
    k += 1
    print('Ok')
else:
    print('nothong')

e94cfb4ad10c28361074bbd4748827c7f4fe4c5f
<mask token>

<mask token>
if k == 0:
    k += 1
    print('Ok')
else:
    print('nothong')

k = 0
if k == 0:
    k += 1
    print('Ok')
else:
    print('nothong')
