CHFIDEAL Video Editorial

chfideal
cpp
dec18
editorial
java
long
long-challenge
python

#1

Video solution in C++, Python and Java: https://youtu.be/Og_68xJODPc


#2

print(“3”,flush=True)
y=int(input())
print(3-y,flush=True)``
python 3.3 and higher