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