using System;

public class Program

{

    public static void Main()

    {

        int a = 2, b = 2;

for( int i=10; i>=0; i-=3)

for (int j=2; j<=4; j++) {

a ++;

b += a;

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

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

}

    }

}