import java.util.Scanner; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int z = sc.nextInt(); sc.close(); long zn = power(z, n); for (int x = 1; x < z; x++) { long xn = power(x, n); long yn = zn - xn; long y = root(yn, n); if (power(y, n) == yn) { System.out.println("Yes"); return; } } System.out.println("No"); } static long power(long x, long n) { if (n == 0) { return 1; } long val = power(x, n / 2); val = val * val; if (n % 2 == 1) { val = val * x; } return val; } static int root(long x, int n) { int ng = 1000000001; int ok = 1; while (ng - ok > 1) { int mid = (ok + ng) / 2; if (Math.pow(mid, n) <= Long.MAX_VALUE) { ok = mid; } else { ng = mid; } } ng = ok + 1; ok = 1; while (ng - ok > 1) { int mid = (ok + ng) / 2; if (power(mid, n) <= x) { ok = mid; } else { ng = mid; } } return ok; } }