import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

from functools import lru_cache

A, B = map(int, read().split())

@lru_cache(None)
def solve(A, B):
    if A == B == 0:
        return True
    if A < 0 or B < 0:
        return False
    if A % 2 == 0 and solve(A // 2, B - 1):
        return True
    if B % 2 == 0 and solve(A - 1, B // 2):
        return True
    return False

answer = 'YES' if solve(A, B) else 'NO'
print(answer)