uses crt;
var st:string;
begin
clrscr;
write('-> ');
readln(st);
if length(st) mod 2 =1 then delete(st,length(st) div 2 + 1,1) else delete(st,length(st) div 2, 2);
writeln(st);
readln;
end.
uses crt;
var st:string;
begin
clrscr;
write('-> ');
readln(st);
if length(st) mod 2 =1 then delete(st,length(st) div 2 + 1,1) else delete(st,length(st) div 2, 2);
writeln(st);
readln;
end.