import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } 
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } 
} Main public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } main {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } Scanner sc= new Scanner(System.in); sc new Scanner(System.in) int[] A = new int[5]; A new int[5] 5 for(int i = 0; i < 5; i++) A[i] =sc.nextInt(); int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i A[i] =sc.nextInt(); A[i] =sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc int ans = 1; ans 1 for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      } int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i {
        if(A[i] == 0) ans +=i;
      } {
        if(A[i] == 0) ans +=i;
      } if(A[i] == 0) ans +=i; A[i] == 0 A[i] A i 0 ans +=i ans i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } 
} public class Main {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } 
} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
      int[] A = new int[5];
      for(int i = 0; i < 5; i++) A[i] =sc.nextInt();
      int ans = 1;
      for(int i = 0; i < 5; i++){
        if(A[i] == 0) ans +=i;
      }
      System.out.println(ans);
    } 
}