#include <stdio.h>
int main(){
    int n,index,value;
    int books[105];
    if (scanf("%d",&n!=1))return 0;
    for (int i = 0;i<n;i++){
        scanf("%d",&books[i]);
    }
    if (scanf("%d%d",&index,&value)!=2)return0;
    if (index<0||index>n){
        printf("Invalid input\n");
    }else{
        for(int i =n;i> index;i--){
            books[i]=books[i-1];
        }
        books[index]=value;
        n++;
        for(int i=0;i<n;i++){
            printf("%d",books[i]);
            if(i<n-1){
                printf("");
            }
         }
         printf("\n");
      }
       return 0;
    }