a,b = map(int,input().split())
flag = 1
def tansaku(x,y):
    if x == a and y == b:
        return 0
    elif x > a or y> b:
        flag = 0
        return 0
        
    else:
        x1 = x * 2 
        y1 = y + 1
        x2 = x + 1
        y2 = y * 2
        return tansaku(x1,y1), tansaku(x2,y2)

tansaku(0,0)
if flag ==1:
    print('Yes')
else:
    print('No')