#include <iostream>

int main()
{
    int counter = 1;
    std::string letters = "";
    char input;
    int sum = 0;
    while(counter<4)
    {
        std::cout << "Enter number " << counter << ':';
        std::cin >> input;
        letters+=input;
        for ( int a = 0; a < 10; a++ )
        {
            if ( (int)input - 65 == a )
                sum+=a+1;
        }
        ++counter;
    }
    std::cout << letters << " = " << sum;
}