#include<stdio.h>
int main(){
    int N;
    int X;
    int marbles[100];
    int i,found_index=-1;
    scanf("%d"&N);
    for(i=0;i<N;i++){
        scanf("%d ",&marbles[i]);
    }
    scanf("%d " ,&X);
    for (i=0;i<N;i++){
        if (marbles[i]==X){
            found_index=i;
            break;
        }
    }
    if(found_index!=-1){
        for(i=found_index;i<N-1;i++)
        {
            marbles[i]=marbles[i+1];
        }
        for(i=0;i<N-1;i++){
            printf("%d",marbles[i+1]);
        }
        printf("\n");
    }
    else{
        printf("Marble not found.\n");
        
    }
    
        
    return 0;

    }