URI - 1005 solve by c++

#include<iostream>
#include<iomanip>
using namespace std;

int main()
{
   float A, B, MEDIA;
    cin >> A >> B;
     MEDIA =((A*3.5)+(B*7.5))/(3.5+7.5);

    cout << fixed << setprecision(5) <<  "MEDIA = " <<  MEDIA << endl;

    return 0;
}

///ahmed shuvo969