using System;
public class Program
{
public static void Main()
int N = 30;
int [] mass = new int [N];
int i, x, y;
x = 0;
y = 0;
float s;
Random r = new Random();
for (i=0; i<N; i++)
mass[i] = r.Next(1,6);
Console.WriteLine(mass[i]);
}
for (i = 0; i<N; i++)
if ( mass[i] > 3 )
x++;
y = y + mass[i];
s = y / (float)x;
Console.WriteLine ( s);