#include <bits/stdc++.h>
using namespace std;
long long a[100100];
int main() {
  long long n, x, y;
  cin >> n >> x >> y;
  a[1] = y - n + 1;
  if (a[1] <= 0) {
    cout << -1 << endl;
    return 0;
  }
  for (int i = 2; i <= n; i++) a[i] = 1;
  long long sum = 0;
  for (int i = 1; i <= n; i++) sum += a[i] * a[i];
  if (sum < x)
    cout << -1 << endl;
  else
    for (int i = 1; i <= n; i++) cout << a[i] << endl;
  return 0;
}
