#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	cout<<n<<endl;
	cout<<n+8<<endl;
	cout<<n+6<<endl;
	cout<<fixed<<setprecision(1)<<(n+n+8+n+6)/3.0<<endl;
    return 0;
}

/**************************************************************
	Problem: 1612
	User: admin
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/