n,z = map(int, input().split())
if n == 1:
    print('Yes')
else:
    found = False
    for x in range(1,1000):
        for y in range(1,1000):
            if pow(x,n) + pow(y,n) == pow(z,n):
                found = True
    if found:
        print('Yes')
    else:
        print('No')