import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  }
} import java.util.Scanner; Scanner java.util public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  } main {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int sum = 0; sum 0 for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    } int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i {
      sum += sc.nextInt();
    } {
      sum += sc.nextInt();
    } sum += sc.nextInt() sum sc.nextInt() sc.nextInt sc System.out.println(15 - sum) System.out.println System.out System System.out 15 - sum 15 sum String[] args args public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  }
} public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  }
} Main
import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int sum = 0;
    for(int i = 0; i < 5; i++){
      sum += sc.nextInt();
    }
    System.out.println(15 - sum);
  }
}