#include <iostream>
#include <string>

using namespace std;

bool islower(char ch)
{
    if (ch >= 'a' && ch <= 'z')
        return true;
    return false;
}

bool isUpper(char ch)
{
    if (ch >= 'A' && ch <= 'Z')
        return true;
    return false;
}
int main()
{
    int T;
    char ch;
    int y, sum = 0;
    cin >> T;
    while (T--)
    {
        
        cin >> ch >> y;
        sum = y;
        if (islower(ch))
        {
            sum = sum - ( ch - 'a'+ 1 );
        }
        else
        {
            sum = sum + (ch - 'A' + 1);
        }
        cout << sum << endl;

    }
    return 0;
}