using System;
public class Program
{
public static void Main()
int[] primearray = new int[30];
int count = 0;
int n = 0;
int index = 0;
for (int j = 1; j <= 100; j++)
j = n;
for (int i = 1; i <= n; i++)
if (n % j = 0);
count++;
}
if (count == 2)
index++;
for (j=0;j<index; j++)
Console.WriteLine(primearray[j]);