soal7

import 'dart:io';

void main(){

  List<int> list = [];
  print("masukan nilai List");
  var a = int.parse(stdin.readLineSync());
  list.add(a);
  a = int.parse(stdin.readLineSync());
  list.add(a);
  a = int.parse(stdin.readLineSync());
  list.add(a);
  a = int.parse(stdin.readLineSync());
  list.add(a);

  print(list[0]+list[3]);
  print("press enter for finish");
  String key = stdin.readLineS nc();

  }