using System;
namespace jagged_array
{
    class Program
    {
        static void Main(string[] args)
        {
            int[][] cpu = new int[4][];
            {
                cpu[0] = new int[3];
                cpu[1] = new int[2];
                cpu[2] = new int[2];
                cpu[3] = new int[4];
            for (int i = 0; i < 4; i++)
            {
                for (int j = 0; j<cpu[i].Length; j++)
                {
                    cpu[i][j] = i * j + 70;
                }
            }
            for (int i = 0; i<cpu.Length; i++)
            {
                for(int j=0; j<cpu[i].Length; j++)
                {
                    Console.WriteLine("CPU usage at node" + i + " is " + cpu[i][j] + "%");
                }
                Console.WriteLine();
            }


            }
              

        }
    }
}