#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
int main(){
    int n,val,i,index= -1;
    if (scanf("%d",&n)!=1||n<0||n>1000){
        printf("Invalid input\n");
        return 0;
    }
    int arr[n];
    for (i=0;i<n;i++){
        if(scanf("%d",&arr[i])!=1) {
            printf("Invalid input\n");
            return 0;
        }
    }
    if (scanf("%d",&val)!=1) {
        printf("Invalid input\n");
        return 0;
    }
    for (i=0;i<n;i++) {
        if(arr[i]==val){
            index=i;
            break;
        }
    }
    if(index == -1) {
        printf("value not found\n") {
            return 0;
        }
        for (i=index;i<n;i++) {
            arr[i]= arr[i+1];
        }
        n--;
        if (n=0) {
            printf("List is empty\n");
            if (1 !=n-1) printf(" ");
        }
        printf("\n");
        return 0;
        }