#include<bits/stdc++.h>
using namespace std;
bool s(int a){
  bool l=0;
  int i;
  for(i=2;i<=a/2;i++){
  if(a%i==0){
  l=1;
  break;
  }}
  return l;
}
int main(){
  int x,y,z,max=0;
  for(x=3;x<100;x++){
  	for(y=x+1;y<100;y++){
  	z=(x+y)/2;
  	if(s(x)==0&&s(y)==0&&s(z)==0){
	  cout<<x<<" "<<z<<" "<<y<<endl;}}} 
return 0;
}
/**************************************************************
	Problem: 1144
	User: wtq001
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/