function copyTo() {
let ss = SpreadsheetApp.getActiveSpreadsheet();
let sheet1 = ss.getSheetByName("Лист1");
let sheet2 = ss.getSheetByName("Лист2");
let data = sheet2.getRange(1, 1, 3, 1).getValues();
sheet1.getRange(sheet2.getLastRow() + 1, 1, 3, 1).setValues(data);
}