#include<iostream>
using namespace std;
int main(){
    int a,b,c,d,e,f,g;
    double n;
    cin>>a>>b>>c>>d>>e>>f>>g;
    n=a*1.29+b*2.7+c*1.1+d*0.92+e*1+f*0.1+g*0.9;
    printf("%.2lf",n);
    
}

#include<iostream>

using namespace std;

int main(){

int a,b,c,d,e,f,g;

double h;

cin>>a>>b>>c>>d>>e>>f>>g;

h=1.29*a+2.7*b+1.1*c+0.92*d+e+0.1*f+0.9*g;

printf("%.2lf",h);

}

#include<iostream> using namespace std; int main(){ int q,a,z,x,s,w,e; cin>>q>>a>>z>>x>>s>>w>>e; double p,o,i,u,y,t,r,w1; p=q1.29; o=a2.7; i=z1.1; u=x0.92; y=s1; t=w0.1; r=e*0.9; w1=p+o+i+u+y+t+r; cout<<w1<<endl; }

#include<iostream>
using namespace std;
int main(){
int a,b,c,d,e,f,g;
double h;
cin>>a>>b>>c>>d>>e>>f>>g;
h=1.29*a+2.7*b+1.1*c+0.92*d+e+0.1*f+0.9*g;
printf("%.2lf",h);
}

#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int a,s,d,f,g,h,j;
    cin>>a>>s>>d>>f>>g>>h>>j;
    printf("%.2f",a*1.29+s*2.7+d*1.1+f*0.92+g*1+h*0.1+j*0.9);
}

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