1.	/*
2.
3.	author:  Mohammed Rashed alshehhi
4.	department: mechatronics.
5.	*/
6.	#include <iostream>
7.	using namespace std;
8.
9.	int main(){
10.	    int sum,everage;
11.	 int num1, num2, num3 ;
12.
13.	 int subject1,  subject2, subject3 ;
14.	cout<<"This program will computer for the total and everage of three (3) marks\n";
15.	cout<<"\n";
16.	cout<<"\n";
17.	//input
18.
19.	cout<< "Enter mark 1:";
20.	cin>>num1;
21.
22.	cout<< "Enter mark 2:";
23.	cin>>num2;
24.
25.	cout<< "Enter mark 3:";
26.	cin>>num3;
27.	cout<<"\n";
28.	cout<<"\n";
29.
30.	//process
31.
32.	//output
33.	cout <<"--------------------------------\n";
34.	cout<<"your total is:"<<num1+num2+num3<< endl;
35.	cout<<" \n";
36.	//output
37.
38.	coutn";
39.	cout<<"your everage is:"<<sum/3<<endl;
40.	cout <<"--------------------------------\n";
41.	cout<<" \n";
42.	return 0;
43.
44.	}