#include <iostream>
using namespace std;

void main ()

{


		char arr1[5], arr2[5], arr3[5], i, j=1, k, h=0;


		cout <<"Please enter 5 numbers, two times"<< endl;


		for (i=0; i<5; i++)
		{
		cin >> arr1[i];
		}

		for (k=0; k<5; k++)
		{
		cin >> arr2[k];
		}

		for (i=0; i<5; i++)
		{
			for (k=0; k<5; k++)
			{
			if (arr1[i]==arr2[k])
			{
				arr3[h]=arr1[i];
				h++;
			}
			}
		}

		for (i=0; i<5; i++)
		{
		cout<< arr3[i];
		}

			system ("pause");
	}