#include<stdio.h>
void insert_book_id(int n,int book_id,int index,int value){
    if(index <0|| index>1){
        printf("invalid input ");
        return;
    
    }
    for(int i=n;i>index;i--){
        book_id[i]=book_id[i-1];
        

    }
    book_id[index]=value;
    for(int i=0;i<=n;i++){
        printf("%d",book_id[i]);
    }
    printf("\n")
}
int main(){
    int n;
    scanf("%d",&n);
    int book_id[n+1];
    for (int i=0;i<n;i++){
        scanf("%d",&book_id[i]);
    }
    int 8ndex,value;
    scanf("%d %d",&index,&value);
    insert_book_id(n,book_id,index,value);
    return 0;
}