#include<bits/stdc++.h>
using namespace std;
int main(){
int x=8.5,y=5.6,z=6.2;
int	n=8.5*2+5.6*3+6.2;	
	cout<<n;
	return 0;
/**************************************************************
	Problem: 1610
	User: huanghao
	Language: C++
	Result: Compile Error
****************************************************************/