#include <bits/stdc++.h>   using namespace std;   const int INF = 0x3f3f3f3f;   const long long LINF = 0x3f3f3f3f3f3f3f3fll;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     long long n, x, y;     cin >> n >> x >> y;     long long a1 = y - n + 1;     if (a1 <= 0 or a1 * a1 + n - 1 < x) return cout << -1 <<   n , 0;     cout << a1 <<   n ;     for (int i = 0; i < n - 1; i++) cout << 1 <<   n ;     exit(0);   }   