uses crt;
var s,s1:string;
n,i:integer;
begin
clrscr;
writeln('vvedi stroku: ');
readln(s);
n:=length(s);
s1:='ren';
writeln('izmenennaya stroka: ');
for i:=1 to n+8 do
if (s[i]='c') and (s[i+1]='h') and (s[i+2]='i') and (s[i+3]='l') and (s[i+4]='d')
then insert(s1,s,i+5);
writeln(s);
end.