#include "stdafx.h"
#include<iostream>
using std::cin;
using std::cout;
using std::endl;
#include<fstream>
using std::fstream;
#include<string.h>

int khat;
char id[33];
int natije;
char checkid[33];
int cmp;
char getid[33];

int check(char checkid[33]) {
	fstream m3("c:\\2.txt");
	for (int j = 1; j <=khat;j++) {
		m3.getline(getid,32);
		cmp = strcmp(checkid,getid);
		if (cmp == 0) {
			cout<<checkid<<endl;
			return 0;
		}
	}
	return cmp;
}

int main () {
	fstream m2("c:\\2.txt");
	cout<<"tedad khotot?\n";
	cin >> khat;
	fstream m1("c:\\1.txt");
	for (int i = 1; i<=khat;i++) {
		m1.getline(id,32);
		natije = check(id);
		if (natije == 0) {
			continue;
		}
		else {
			m2<<id<<endl;
		}
	}
	return 0;
}