import java.util.*;
class Exams
{

// This program was used in labtest1 99
//  

 public static void main(String[] args)

 {
    Scanner sc = new Scanner(System.in);
   
   // variables

   int  assMark;        // results for assignment

   int assMark2;		//results fo rassignment2

   int  examMark;      // results for final exam

   int  finalResult;   // overall result    


   // constants


   final double assWeight  =  .20;
   final double assWeight2 =  .30;
   final double examWeight =  .50; 

  // enter  a students results

  System.out.println("Enter student's assignment 1 mark out of 100");

  assMark = sc.nextInt(); 

  System.out.println("Enter student's assignment 2 mark out of 100");

  assMark2 = sc.nextInt(); 

  System.out.println("Enter student's exam  mark out of 100");

  examMark = sc.nextInt();


  // calculate final mark  rounded to next whole number

  finalResult = (int) ((assMark * assWeight +  assMark2 * assWeight + examMark *  examWeight)+.50); 
                                                                               
  System.out.println("The overall mark is "  + finalResult );


  }// end main

}// end class