#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, s;
  cin >> n >> s;
  if (s >= 2 * n) {
    cout << "YES"
         << "\n";
    for (int i = 0; i < n - 1; ++i) {
      cout << "1 ";
    }
    cout << s - (n - 1) << "\n";
    cout << n << "\n";
  } else {
    cout << "NO"
         << "\n";
  }
  return 0;
}
