var s: string;
begin s := 'informatica'; writeln(s); writeln(copy(s, 3, 5)); writeln(copy(s, 6, 3)); writeln(copy(s, 8, 3)); writeln(copy(s, 8, 2) + s[5]);end.
var
s: string;
begin
s := 'informatica';
writeln(s);
writeln(copy(s, 3, 5));
writeln(copy(s, 6, 3));
writeln(copy(s, 8, 3));
writeln(copy(s, 8, 2) + s[5]);
end.