#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,x,n;
	cin>>n;
	int a[n];
	for(i=0;i<n;i++){
		cin>>a[i];
	}
	cin>>x;
	for(i=x-1;i<n-1;i++){
		a[i]=a[i+1];
	}
	for(i=0;i<n-1;i++){
		cout<<a[i];
	}
	return 0;
}
/**************************************************************
	Problem: 1162
	User: zouliangyin
	Language: C++
	Result: Wrong Answer
****************************************************************/