#include<stdio.h>
int main(){
    int num,size,itr,ind,val;
    scanf("%d",&size);
    int arr[size];
    for(itr=1;itr<=size;itr++){
        scanf("%d ",&arr[itr]);
    }
    scanf("%d",&ind);
    if(ind<=0){
        printf("Invalid input");
        return 0;
    }
    scanf("%d",&val);
    for(itr=1;itr<=size;itr++){
        if(itr==ind)
        {
            arr[ind]=val;
        }
    }
    for(itr=1;itr<=size;itr++){
        scanf("%d",arr[itr]);
    }
    return 0;
}