import sys
sys.setrecursionlimit(100000000)
input = sys.stdin.readline
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():
    A,B = map(int,input().split())
    
    stack = [(0,0)]
    flag = False
    while stack:
        p,q = stack.pop()
        if p == A and q == B:
            flag = True
            break
        if p > A or q > B:
            continue
        stack.append((2*p,q + 1))
        stack.append((p + 1,2*q))
    print('Yes' if flag else 'No')
if __name__ == '__main__':
    main()