1004 Financial Management

#include<iostream>
#include<iomanip>

using namespace std;

int main(){
//	freopen("in.txt","r",stdin);
//	freopen("out.txt","w",stdout);

double in[12];
double sum = 0.00;

for(int i=0;i<12;i++){
cin>>in[i];
sum += in[i];
}

cout<<"$"<<setprecision(2)<<fixed<<sum/12;

return 0;
}