using System;

public class Program

{

    //Q2 methods

    public static void Add(int a , int b)

    {

        int sum = a + b;

        Console.WriteLine("Sum of two integer numbers = " + sum);

    }

    public static void Add(int a , int b, int c)

    {

        int sum = a + b + c;

        Console.WriteLine("Sum of 3 integer numbers =  " + sum);

    }

    public static void Add(float p , float q)

    {

        float sum = p + q;

        Console.WriteLine("Sum of two float values =  " + sum);

    }

    public static void Add(float p , float q, float r)

    {

        float sum = p + q + r;

        Console.WriteLine("Sum of three float values =  " + sum);

    }//end of Q2 methods

    public static void Main()

    {

        /*

        //Q1

        Console.WriteLine("Enter the first number : ");

        int num1 = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the second number : ");

        int num2 = Convert.ToInt32(Console.ReadLine());

        int sum= 0;

        for (int i = num1 ; i<= num2; i++)

        {

            if (i % 2 != 0)

            {

                sum = sum + i *i;

            }

        }

        Console.WriteLine("Sum of squares of all odd numbers between a and b =  " +sum);

        */

        /*

        //Q2

        Console.WriteLine("Enter the first integer : ");

        int a = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the second integer : ");

        int b = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the third integer : ");

        int c = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the first float value : ");

        float x = Convert.ToSingle(Console.ReadLine());

        Console.WriteLine("Enter the second float value : ");

        float y = Convert.ToSingle(Console.ReadLine());

        Console.WriteLine("Enter the third float value : ");

        float z = Convert.ToSingle(Console.ReadLine());

        Add(a,b);

        Add(a,b,c);

        Add(x,y);

        Add(x,y,z);

        */

        //Q3

        for (int i = 1 ; i < 6 ; i++)

        {

            for(int j = 5; j > i ; j--)

            {

                Console.Write("$");

            }

            for (int a = 1 ; a <= i ; a++)

            {

                Console.Write(a);

            }

        Console.WriteLine("");

        }

    }

}