// editor4
#include<stdio.h>
int main(){
    int n,num=0,x,i;
    scanf("%d".&n);
    int marble[n];
    for(i=0;i<n;i++){
        scanf("%d",&marble[i]);
    }
    scanf("%d",&x);
    for(i=0;i<n;i++){
        if(marble[i] ==x){
            found =1;
            break;
        }
    }
    if(found){
        for(int j=1;j<n-1;j++){
            marble[j]=marble[j+1];
        }
        n--;
        for(i=0;i<n;i++){
            printf("%d",marble[i]);
        }
        
    }else{
        printf("Marble not found")
    }
    return 0;
}