n,z=map(int,input().split())
c=z**n
if n==1:
    if z==1:
        print("NO")
    else:
        print("YES")
else:
    for i in range(1,1001):
        for j in range(1,1001):
            if i**n+j**n==c:
                print("YES")
                exit()
    print("NO")