Financial Management
#include<iostream>
using namespace std;
#include<iomanip>
int main()
{
int i;
double x,sum = 0;
for(i = 0 ; i < 12 ; i++)
{
cin>>x;
sum += x;
}
sum = sum / 12;
cout<<setiosflags(ios::fixed);
cout.precision(2);
cout<< "$" << sum <<endl;
return 0;
}