res = 4
print(4)
if res == 4:
    print(input())
    print(input())

29e59b8a5d63101ee7d8af0ca89a300a19eb4ac9
<mask token>

<mask token>
print(4)
if res == 4:
    print(input())
    print(input())

res = 4
print(4)
if res == 4:
    print(input())
    print(input())
