#include<bits/stdc++.h>
using namespace std;
bool a(int i) {
	int c;
	int j;
    if(i<2){
    return false;	
    }
    for (int i=2;i<=sqrt(j);i++) {
        if (i%c==0){
        	return false;
        }
    }
    return true;
}
   
int main() {
    for (int j=2;j<=100;+j) {
        if (a(j)) {
            for (int z=j+2;z<=100;z+=2) {
                if (a(z)&&a((j+z)/2)) {
                    cout<<j<<" "<< (j+z)/2<<" "<<z<<endl;
                }
            }
        }
    }
}
/**************************************************************
	Problem: 1140
	User: huxuanchen
	Language: C++
	Result: Output Limit Exceed
****************************************************************/