#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
    cin>>n;
    //甲 
    cout<<n<<endl;
    //乙 
    cout<<n+8<<endl;
    //丙
    cout<<n+6<<endl;
                               //保留1位小数
    cout<<fixed<<setprecision(1)<<(n+n+8+n+6)/3.0<<endl;
    return 0;
	
}
/**************************************************************
	Problem: 1612
	User: wuhanyu
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/