#include <stdio.h>
#include <stdlib.h> // Required for qsort

// Comparison function for qsort
int compare(const void *a, const void *b) {
    return ((int)a - (int)b);
}

void findKthSmallest(int arr[], int n, int k) {
    if (n <= 0 || k < 1 || k > n) {
        printf("Invalid Input\n");
        return;
    }

    qsort(arr, n, sizeof(int), compare);
    printf("%d", arr[k - 1]);
}

int main() {
    int n;
    scanf("%d", &n);

    int *arr = (int *)malloc(n * sizeof(int));
    if (arr == NULL) {
        printf("Memory allocation failed\n");
        return 1;
    }

    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int k;
    scanf("%d", &k);

    findKthSmallest(arr, n, k);

    free(arr); // Free the allocated memory
    return 0;
}