using System;

public class Program

{

    public static void Main()

    { int sum=0;

        Console.WriteLine("Enter a:") ;

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

     Console.WriteLine("Enter b:") ;

​

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

     for(int i=0;i<a;i++) {

         sum=sum+b;

    }Console.WriteLine(sum) ;}}