Encrypt, Sort, and Print Array

int.TryParse(Console.ReadLine(), out int lines);

int[] sequence = new int[lines];

for (int i = 0;i < lines; i++)
{
    string input = Console.ReadLine();

    int sum = 0;

    for (int j = 0; j < input.Length; j++)
    {
        if (input[j] == 'A' || input[j] == 'a' || input[j] == 'E' || input[j] == 'e'
            || input[j] == 'I' || input[j] == 'i' || input[j] == 'O' || input[j] == 'o'
            || input[j] == 'U' || input[j] == 'u')
        {
            sum += input[j] * input.Length;
        }
        else
        {
            sum += input[j] / input.Length;
        }
    }
    sequence[i] = sum;
}

Array.Sort(sequence);
for (int k = 0; k < sequence.Length; k++)
{
    Console.WriteLine(sequence[k]);
}