Help me in solving LBCV201A problem

My issue

want solution

My code

//Step 1: Read and understand the problem statement and sample test cases

// Click on 'Next' once you are ready to proceed.
uisng namespace std;
int main(){
    int A;
    int C;

Learning course: C++ for problem solving - 1
Problem Link: CodeChef: Practical coding for everyone

hey,you have to find average in this problem…
Average = A+B/2