Problem Description

We define $\\ f(A) = 1, \\ f(a) = -1, \\ f(B) = 2, \\ f(b) = -2, \\ \vdots \\f(Z) = 26, \\ f(z) = -26$;

Give you a letter $x$ and a number $y$ , you should output the result of $f(x)+y$.

Input

On the first line, contains a number $T$, then $T$ lines follow, each line is a case. Each case contains a letter $x$ and a number $y$.

Output

for each case, you should the result of $f(x)+y$ on a line.

Samples

6
R 1
P 2
G 3
r 1
p 2
g 3

19
18
10
-17
-14
-4