import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        Scanner k = new Scanner(System.in);
        int arr[] = new int[5];

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

        for(int i=0 ; i< 5; i++)
        {
            arr[i] = k.nextInt();
            if(arr[i] == 0)
            {
                System.out.println(i+1);
            }
        }
    }
} Main public static void main(String[] args)
    {
        Scanner k = new Scanner(System.in);
        int arr[] = new int[5];

        for(int i=0 ; i< 5; i++)
        {
            arr[i] = k.nextInt();
            if(arr[i] == 0)
            {
                System.out.println(i+1);
            }
        }
    } main {
        Scanner k = new Scanner(System.in);
        int arr[] = new int[5];

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

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

        for(int i=0 ; i< 5; i++)
        {
            arr[i] = k.nextInt();
            if(arr[i] == 0)
            {
                System.out.println(i+1);
            }
        }
    }
} Main
import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        Scanner k = new Scanner(System.in);
        int arr[] = new int[5];

        for(int i=0 ; i< 5; i++)
        {
            arr[i] = k.nextInt();
            if(arr[i] == 0)
            {
                System.out.println(i+1);
            }
        }
    }
}