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