i = 1
for j in range(0, i):
    if j % 2 == 1:
        break
    print(j)
else:
    print("ok")
i = 3
for j in range(0, i):
    if j % 2 == 1:
        break
    print(j)
else:
    print("ok")
    
#https://pt.stackoverflow.com/q/280773/101