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

int main() {
    int n;
    scanf("%d", &n);

    char fruits[n][20];  // Each fruit name max length = 19 + '\0'

    // Read fruits
    for (int i = 0; i < n; i++) {
        scanf("%s", fruits[i]);
    }

    char search[20];
    scanf("%s", search);

    int found = 0;

    // Search fruit
    for (int i = 0; i < n; i++) {
        if (strcmp(fruits[i], search) == 0) {
            found = 1;
            break;
        }
    }

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

    return 0;
}