if random():
    if random():
        if random():
            if random():
                pass
            print "foo"
        else:
            print "foo"
    print "foo"
else:
    print "foo"
##r
if random():
    if random():
        if random():
            if random():
                pass
            print "foo"
        else:
            print "foo"
    print "foo"
else:
    print "foo"