N, Z = map(int, input().split())
if N >= 3:
    exit(print('No'))

if N == 1:
    if Z != 1:
        print('Yes')
    else:
        print('No')
    exit()

ZN = Z**N
for x in range(1, 10**3 + 1):
    XN = x**N
    for y in range(1, 10**3 + 1):
        if XN + y**N == ZN:
            exit(print('Yes'))
print('No')