n,z = map(int,input().split())
if n == 1:
    if z - 1 > 0:
        print("Yes")
    else:
        print("No")
    exit()
zn = z**n
for i in range(1,z):
    for j in range(1,z):
        if pow(i,n) + pow(j,n) == zn:
            print("Yes")
            exit()
print("No")