#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  long long n, x, y;
  cin >> n >> x >> y;
  long long l = y - (n - 1);
  if ((n - 1) + l * l >= x && l > 0) {
    for (long long i = 0; i < n - 1; i++) cout << "1 ";
    cout << l << endl;
  } else {
    cout << -1 << endl;
  }
}
