#include<stdio.h>
int main()
{
    int n,i;
    scanf("%d %d",&n,&i);
    if(scanf("%d",&n)!=1 || scanf("%d",&n)!=1 || scanf("%d",&n)!=1)
    {
        printf("Invalid input");
        return 0;
    }   
    if(arr[i]%2==0)
    {
        printf("%d",arr[i]);
    }
    else
    {
        printf("Empty");
    }
    return 0;
}