using System;
using System.Collections.Generic;
public class Test
{
public static void Main()
{
List<object> objList = new List<object>();
int one = 1;
int two = 2;
objList.Add(one);
objList.Add(two);
one += 10;
two += 10;
int result = 0;
result += (int)objList[0] + (int)objList[1] + one + two;
Console.WriteLine(result);
}
}
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