#include<stdio.h>
int main(){
    int n,i,index,value;
    scanf("%d",&n);
    if(n<=0||n>100){
        printf("Invalid input");
        return 0;
    }
    int books[101];
    for(i=0;i<n;i++){
        scanf("%d",&books[i]);
    }
    scanf("%d%d"&index,&value);
    if(index<0||index>n){
        printf("Invalid input");
        return 0;
    }
    for(i=n;i>index;i--){
        books[i]=books[i-1];
    }
    books[index]=value;
    n++;
    for(i=0;i<n;i++){
        printf("%d",books[i]);
    }
    return 0;
}