#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, x, y, t, i = 0, sm = 0, c = 0, cnt = 0;
  cin >> n >> x >> y;
  long long a[n + 2];
  for (i = 0; i < n; i++) {
    if (i == n - 1)
      a[i] = y;
    else {
      a[i] = 1;
      --y;
    }
    ++cnt;
    if (y == 0) break;
  }
  for (i = 0; i < n; i++) {
    sm = sm + (a[i] * a[i]);
    if (sm >= x) {
      c = 1;
      break;
    }
  }
  if (c == 0 || cnt != n)
    cout << "-1" << endl;
  else {
    for (i = 0; i < n; i++) cout << a[i] << " ";
  }
}
