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