def fz():
    n,z=map(int,input().split())
    zn=z**n
    for x in range(1,z):
        xn=x**n
        for y in range(1,x+1):
            yn=y**n
            if xn+yn>zn:    break
            if xn+yn<zn:    continue
            return 'Yes'
    return 'No'
print(fz())