Pascal

Pascal

var
   f1,f2:text;
   sum,a,b:integer;
begin
   Assign(f1,'input.dat');
   Assign(f2,'output.sol');
   Rewrite(f2);
   Reset(f1);
   Read(f1, a);
   Read(f1, b);
   close(f1);
   sum:=a+b;
   Write(f2, sum);
   close(f2);
end.