program task_e;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var
   f:text;
   t:integer;
   dp:array[0..100,0..100] of int64;
   ans:array[1..2000] of int64;
   t,x,y,a,b,i:integer;

   function dpf(n,k:integer):int64;
   var
   i,j,i1,j1:integer;
   dp:array[0..100,0..100] of int64;
   begin
   for i:=0 to n do
   for j:=0 to k do

   end;
begin
assign(f,'input.dat');
reset(f);
readln(f,t);
for i:=1 to t do
begin
readln(f,x,y,a,b);
ans[i]:=dpf(x,y);
end;
close(f);

assign(f,'output.ans');
rewrite(f);
for i:=1 to t do writeln(f,ans[i]);
close(f);

  { TODO -oUser -cConsole Main : Insert code here }
end.