var
  d1,d2,d3,d4 : longint;
  s1,s2 : string;
  c1,c2 : char;
begin
  readln(s1);
  d1:=pos('o',s1);
  s1[d1]:='_';
  d1:=pos('o',s1);
  s1[d1]:='r';
  writeln(s1);
end.