#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cmath>
using namespace std;int main() {int t;cin>>t;while(t--){char x;int y;cin>>x>>y;if(x >= 'a' && x <= 'z'){//小写int tmp = x - 'a' + 1;y -=tmp;}else if(x>='A' && x <= 'Z'){int tmp = x - 'A' + 1;y+=tmp;}cout<<y<<endl;}return 0;
}