# https://www.acmicpc.net/problem/15964 # boj, 15964: 이상한 기호, Python3 def solve(a: int, b: int) -> int: return (a + b) * (a - b) if __name__ == '__main__': a, b = map(int, input().split()) print(solve(a, b))
boj 15964 github