using System;

public class Program

{

    public static void Main()

    {

        int a = 15, b = 7, count=3;

for (int i=2; i<=6; i++) {

if (i%3==0) continue;

a += 2;

b -= 2;

    count++;

    Console.WriteLine("a="+a);

    Console.WriteLine("b="+b);

    Console.WriteLine("Изпълнения"+count);

}

    }

}