#include <bits/stdc++.h>
int n;
void File_operations();
int main() {
  File_operations();
  scanf("%d", &n);
  if (n != 1)
    printf("%d %d %d", n, n + 1, n * (n + 1));
  else
    printf("-1");
  return 0;
}
void File_operations() {}
