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