n,z = map(int,input().split())
if(n>=3)|(z==1):
    print('No')
    exit()

x = 1
y = z-1
while(x<=y):
    zn = x**n + y**n
    if(zn == z**n):
        print('Yes')
        exit()
    elif(zn > z**n):
        y -= 1
    else:
        x += 1
print('No')