#include <bits/stdc++.h>   using namespace std;   const int mod = 1e9 + 7, INF = 1e9;   const int mx = 1e5 + 5;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int n, s, k;     cin >> n >> s;     if (2 * n > s)       cout <<  NO  << endl;     else {       cout <<  YES  << endl;       for (int i = 1; i < n; i++) cout << s / n <<    ;       cout << (s - (s / n) * (n - 1)) << endl;       cout << 1 << endl;     }     return 0;   }   