#include<stdio.h>
int main(){
    int N,X,i,found=0;
    scanf("%d",&N);
    int  marbles[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=1;
            break;
        }
    }
    if (found){
        for(int j=i;j<N-1;j++){
            marbles[j]=marbles[j+1];
        }
    }
    N--;
    for(i=0;i<N;i++){
        printf("%d",marbles[i]);
    }

    else{
        printf("Marble not found");
        
    return 0;
}