#include <stdio.h>
#include <stdlib.h>

int main() {
    int n;
    if (scanf("%d", &n) != 1){
        printf("Invalud input\n");
       return 0;
    }
    if (n <= 0 || n > 1000) {
        printf("Invalid input\n");
        return 0;
    }
        int *arr = (int*)malloc(n * sizeof(int));
        if (!arr) {
            printf("Nenory allocation failed\n");
            return 0;
        }
        for (int i = 0; i < n; i++) {
            if (scanf("%d", &arr[i]) != 1)
            free(arr);
            return 0;
        }
    }
    int mid; 
    if (n % 2 == 0){
        mid = (n / 2) -1;
    } else {
        mid = n / 2;
    }
    
    for (int i = 0; i < n; i++) {
        if (i == mid) continue;
        printf("%d", arr[i]);
    }    
    printf("\n");
    free(arr);  
    return 0;
}