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