using System;
public class Test
{
public static void Main()
{
// your code goes here
string str = "2,3,4";
string[] arr = str.Split(",");
Console.WriteLine(arr[0] + arr[1] + arr[2]);
int idx = str.IndexOf(",");
string str1 = str.Substring(idx + 1, str.Length-idx-1);
Console.WriteLine(str1);
}
}
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