Read multiple lines from console to arrays

Question

Hey! The input is - n - number of pairs, and n lines after - with pairs of numbers, the code will be below. F.ex. with input :
3
1 2
3 4
5 6
Output will be:
1 2 0
1 2 1
1 2 2

I can't understand why "Pasrse" takes only the input of the line with (1 2) and saves it to all array elements. Or it's the way how indexes [0] and [1] in "Parse" work? Will be grateful for the explaination.

static void Main(string[] args)
{
int i, n = int.Parse(Console.ReadLine());
string[] tokens = Console.ReadLine().Split(' ');
int[] arr1 = new int[n];
int[] arr2 = new int[n];
while (Console.ReadLine() != "")
{
for (i = 0; i < n; i++)
{
arr1[i] = int.Parse(tokens[0]);
arr2[i] = int.Parse(tokens[1]);
}
}
for (i = 0; i < n; i++)
{
Console.WriteLine(arr1[i] + " " + arr2[i] + " " + i);
}

Answer 1

Fixed, should use Read.Line in the body of the loop to read every line, while loop is not necessary:

static void Main(string[] args)
{

int i, n = int.Parse(Console.ReadLine());
int[] arr1 = new int[n];
int[] arr2 = new int[n];

for (i = 0; i < n; i++)
{
string[] tokens = Console.ReadLine().Split(' ');
arr1[i] = int.Parse(tokens[0]);
arr2[i] = int.Parse(tokens[1]);
}