// editor4#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define MAX_BOOKS 500
#define MAX_TITLE_LEN 100
void clean(char *str) {
    str[strcspn(str, "\r\n")] = '\0';
}
int containsDigit(const char *str) {
    for (int i = 0; str[i]; i++) {
        if (isdigit(str[i])) return 1;
    }
    return 0;
}
int main() {
    int n;
    char titles[MAX_BOOKS][MAX_TITLE_LEN];
    char buffer[200];
    if (!fgets(buffer, sizeof(buffer), stdin)) {
        printf("Invalid input\n");
        return 0;
    }
    clean(buffer);
    if (sscanf(buffer, "%d", &n) != 1 || n < 1 || n > MAX_BOOKS) {
        printf("Invalid input\n");
        return 0;
    }
    for (int i = 0; i < n; i++) {
        if (!fgets(titles[i], sizeof(titles[i]), stdin)) {
            printf("Invalid input\n");
            return 0;
        }
        clean(titles[i]);
        if (containsDigit(titles[i])) {
            printf("Invalid input\n");
            return 0;
        }
    }
    if (!fgets(buffer, sizeof(buffer), stdin)) {
        printf("Invalid input\n");
        return 0;
    }
    clean(buffer);
    if (containsDigit(buffer)) {
        printf("Invalid input\n");
        return 0;
    }
    for (int i = 0; i < n; i++) {
        if (strcmp(titles[i], buffer) == 0) {
            printf("%d\n", i + 1);
            return 0;
        }
    }
    printf("Title not found\n");
    return 0;
}