function onEdit(e){
    //Access the range with your parameter e.
  var range = e.range;
  var spreadSheet = SpreadsheetApp.openById("18AmVxMf8Q2oWvAsfh2KJ6hR-gC1FH6goul9Vocike1w");
    var column=e.range.getColumn();
    var row = e.range.getRow();
    var cell = e.range.getA1Notation();
    //do whatever you need with that range
    var allcolumns=[2,3];
  if(allcolumns.indexof(column)>-1){
    for (var i=column+1;i<column+2;i++){
    SpreadsheetApp.getactivesheet().getrange(row,i).setvalue(e.value);
    }
    SpreadsheetApp.getactivesheet().getrange(cell).setvalue('');

  }

}