program Project2;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var
f, g : text;
t : array of char;
bv : array [1..28] of char;
bm : array [1..28] of char;
i : integer;
k : char;
bukvel, bukmal : set of char;
begin
bukvel := ['A'..'Z'];
bukmal := ['a'..'z'];
k := 'a';
k := 'a';
assign(f, 'input.txt');
reset(f);
assign(g, 'output.txt');
rewrite(g);


end.