#include <bits/stdc++.h>
using namespace std;
long long power(long long base, long long exp) {
  if (exp == 0) return 1;
  if (exp & 1) return power(base, exp - 1) * base;
  long long res = power(base, exp / 2);
  return (res * res);
}
int main() {
  long long n, x, y;
  cin >> n >> x >> y;
  if (y < n) {
    cout << -1;
    return 0;
  }
  long long res = y - (n - 1);
  res = power(res, 2) + (n - 1);
  if (res < x)
    cout << -1;
  else {
    cout << y - (n - 1) << endl;
    for (int i = 1; i < n; i++) cout << 1 << endl;
  }
  return 0;
}
