using System;

public class Program

{

    public static void Main()

    {

        double y, yy, yyy, k1, k2, k3, k4, ky1, ky2, ky3, ky4;

        double x = 0, paso = 0.01;            

​

        y = 1;            

​

        yy = 1;        

        while (x < 2)

        {

            yyy = -3*yy+10*y+Math.Sin(x);                

​

            ky1 = paso*(-3*yy+10*y+Math.Sin(x));

            k1 = paso*yy;                

​

            ky2 = paso * (-3 * (yy + ky1 / 2) + 10 * (y + k1 / 2)

                + Math.Sin(x + paso / 2));

            k2 = paso * (yy + ky1 / 2);                

​

            ky3 = paso * (-3 * (yy + ky2 / 2) + 10 * (y + k2 / 2)

                + Math.Sin(x + paso / 2));

            k3 = paso*(yy + ky2 / 2);                

​

            ky4 =  paso * (-3 * (yy + ky3) + 10 * (y + k3) + Math.Sin(x + paso));

            k4 = paso * (yy + k3);                

​

            y = y + (k1 + 2 * k2 + 2 * k3 + k4)/ 6;

            yy = yy + (ky1 + 2 * ky2 + 2 * ky3 + ky4) / 6;                

​

            x = x + paso;            

​

        }            

        Console.WriteLine("El valor de y cuando x es " + x + " es " + y);

        Console.ReadLine();

    }

}