#include <bits/stdc++.h>
using namespace std;
int a, b, c;
long long int n, x11, y11, s2;
int main() {
  cin >> n >> x11 >> y11;
  s2 = (y11 - n + 1) * (y11 - n + 1) + n - 1;
  if (s2 >= x11 && (y11 - n + 1) >= 1) {
    printf("%d ", y11 - n + 1);
    for (a = 2; a <= n; a++) printf("1 ");
  } else
    puts("-1");
  return 0;
}
