Loop squares

gistfile1.txt

int[] numbers = new int[] { 1, 3, 5, 7, 11, 13, 17 };
int[] squares = new int[numbers.Length];

int ni = 0;
int si = 0;

for (int i = 0; i < numbers.Length; i++) {
    squares[i] = numbers[i] * numbers[i];
}

Console.WriteLine("Квадраты чисел");
Console.WriteLine();
Console.Write("Дан ряд чисел: ");
while (ni < numbers.Length)
{
    Console.Write((ni == 0 ? "" : ", ") + numbers[ni]);
    ni++;
}
Console.WriteLine();
Console.WriteLine();
Console.Write("Квадраты этих чисел: ");
while (si < squares.Length)
{
    Console.Write((si == 0 ? "" : ", ") + squares[si]);
    si++;
}
Console.WriteLine();
Console.WriteLine();