public static string GetShuffledString(string s, int[] index) {
for (int i = 0; i < len; i++)
public static void Main()
Console.WriteLine("UniLecs");
Console.WriteLine(GetShuffledString("lecsuni", new int[] { 3, 4, 5, 6, 0, 1, 2 }));
Console.WriteLine(GetShuffledString("abc", new int[] { 0, 1, 2 }));