using System;

public class Program

{

    public static void Main()

    {

        int i,j,k,r1,c1,r2,c2,s=0;

        int [,]a =new int[5,5];

        int [,]b =new int[5,5];

        int [,]c =new int[5,5];

        Console.WriteLine("Enter Number Of Rows and Column For First Matrix");

            r1=int.Parse(Console.ReadLine());

            c1=int.Parse(Console.ReadLine());

        Console.WriteLine("Enter Number Of Rows and Column For Second Matrix");

            r2=int.Parse(Console.ReadLine());

            c2=int.Parse(Console.ReadLine());

        if(c1!=r2)

        {

            Console.WriteLine("Multiplication not possible");

        }

        else

        {

            Console.WriteLine("Enter 1 Matrix Element");

            for(i=0;i<r1;i++)

            {

                for(j=0;j<c1;j++)

                {

                    a[i,j]=int.Parse(Console.ReadLine());

                }

            }

            Console.WriteLine("Enter 2 Matrix Element");

            for(i=0;i<r2;i++)

            {

                for(j=0;j<c2;j++)

                {

                    b[i,j]=int.Parse(Console.ReadLine());

                }

            }

            for(i=0;i<r1;i++)

            {

                for(j=0;j<c2;j++)

                {

                    for(k=0;k<c1;k++)

                    {

                        s=s+a[i,k]*b[k,j];

                        c[i,j]=s;

                    }

                }

            }

            Console.WriteLine("Multiplication Matrix :");

            for(i=0;i<r1;i++)

            {

                Console.WriteLine("\n");

                for(j=0;j<c2;j++)

                {

                    Console.WriteLine("{0}\t ",c[i,j]);

                }

            }

        }

    }

}