var
s:string;
i:integer;
begin
readln(s);
while pos('abc',s)>0 do
begin
i:=pos('abc',s);
delete(s,i,3);
insert('klmn',s,i);
end;
writeln(s);
end.
var
s:string;
i:integer;
begin
readln(s);
while pos('abc',s)>0 do
begin
i:=pos('abc',s);
delete(s,i,3);
insert('klmn',s,i);
end;
writeln(s);
end.