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