#include<bits/stdc++.h>
using namespace std;
int main(){
    int b,n,m;
    cin>>b>>n>>m;
    cout<<b*10+n*6+m*2;
    return 0;
}

C++ :

#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d;
	cin>>a>>b>>c;
	d=a*10+b*6+c*2;
	cout<<d;
} 

Python :

# coding=utf-8
lst=input().split()
s=int(lst[0])*10+int(lst[1])*6+int(lst[2])*2
print(s)