#include<stdio.h>
int main()
{
    int size,ind,k,i,temp;
    scanf("%d",&size);
    if(size<0){
        printf("Invalid Input");
         return 0;
    }
    int arr[size];
    for(ind=0; ind<size;scanf("%d",&arr[ind++]));
    scanf("%d",&k)
    if(k<1 || k>size)
    {
        printf("Invalid Input");
        return 0;
    for(i=1;i<size;i++){
        for(ind=0;ind<size-i;ind++)
        
        { 
            if(arr[ind]>arr[ind+1])
            temp = ind;
            ind = ind++;
            ind++ = temp;
        }
    }    
    }
    printf("%d",arr[k-1]);
}