#include<stdio.h>

int main(){
    int N;
    scanf("%d",&N);
    
    if (N <+ 0){
        printf("Invalid input");
        return 0;
    }
    int ids[n]
    for (int i=0;i<N;i++){
        scanf("%d", &ids[i]);
    }
    int index;
    scanf("%d", &index);
    
    if(index < 0 || index >= N){
        printf("Invalid input");
        return 0;
    }
    for(int i = index; i < N - 1;i++){
        ids[i] = ids[i + 1];
    }
    for (int i = 0;i < N - 1;i++){
        printf("%d", ids[i]);
    }
    return 0;
}