FIVE SUBJECTS AVERAGE IN C++

#include <iostream>
using namespace std;

int main ()
{
    float s1,s2,s3,s4,s5;
    float avg;

//IF YOU WANT YOU ARE NOT TAKING INPUT FROM USER SO YOU DICLARE VARIABLE LIKE int a=25;

    cout<<"PLEASE ENTER MARKS IN FIRST SUBJECT : ";
    cin>>s1; //FOR TAKING INPUT FROM USER

    cout<<"PLEASE ENTER MARKS IN SECOND SUBJECT : ";
    cin>>s2; //FOR TAKING INPUT FROM USER

    cout<<"PLEASE ENTER MARKS IN THIRD SUBJECT : ";
    cin>>s3; //FOR TAKING INPUT FROM USER

    cout<<"PLEASE ENTER MARKS IN FOURTH SUBJECT : ";
    cin>>s4; //FOR TAKING INPUT FROM USER

    cout<<"PLEASE ENTER MARKS IN FIFTH SUBJECT : ";
    cin>>s5; //FOR TAKING INPUT FROM USER

    avg = (s1+s2+s3+s4+s5)/5 ;

    cout<<"THE AVERAGE OF FIVE SUBJECTS IS : "<<avg<<endl;

    return 0;
}

OUTPUT