n,z = map(int,input().split())
R = z**n
flag = False
for i in range(1,10**6+1):
    for j in range(1,10**6+1):
        if i**n+j**n>R:
            break
        if i**n + j**n == R:
            flag = True
if flag:
    print("Yes")
else:
    print("No")