using System;
using System.Collections.Generic;
namespace Application
{
class Application
{
static void Main(string[] args)
{
List<int> l1 = new List<int>();
l1.Add(1);
l1.Add(1);
l1.Add(1);
List<int> l2 = new List<int>();
l2.Add(3);
l2.Add(3);
List<int> output = new List<int>();
output.AddRange(l1);
output.AddRange(l2);
Console.WriteLine(output.Count);
foreach(int tmp in output)
{
Console.WriteLine(tmp);
}
}
}
}
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