#include<stdio.h>

int main() {
    int N;
    scanf("%d",N);
    if (N < 0) {
        printf("invalid input");
        return 0;
    }
    int arr[N];
    for (int i = 0; i < n;i++) {
        scanf("%d", &arr[i]);
    }
    int mid;
    if (N % 2 == 0)
    mid = (N/2)-1;
    else
    mid = N/2;
    for (int i = 0; i < N; i++) {
        if (i != mid)
        printf("%d", arr[i]);
    }
    return 0;
}