//by manssonlife
import java.util.Scanner;

public class No8 {

           static int inputnumber;

           public static void main(String[] args) {

                      Scanner in = new Scanner(System.in);

                      int number  =  in.nextInt();

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

                                 int temp = in.nextInt();

                                 inputnumber += temp;

                                

                      }

                      inputnumber /= number;

                      System.out.println(inputnumber);

           }

                

}