#include<stdio.h>
#include<stdio.h>

int main(){
    int n;
    scanf("%d",&n);
    
    char fruits[n][20];

for(int i = 0; i < n; i++){
        scanf("%s",fruits[i]);
    }
    
    char search[20];
    scanf("%s",search);
    
    int found=0
    for (int i=0;i<n;i++){
        printf("%s",fruits[i]);
        if(i !=n-1)
        printf("");
    }
    }else{
        printf("Fruit not found!");
    }
    
    return 0;
}