#include<bits/stdc++.h>
using namespace std;int main()
{freopen("in.txt", "r", stdin);int n, m;int x;bool first = true;set<int> a;scanf("%d", &n);for (int i = 0; i < n; ++i) scanf("%d", &x), a.insert(x);scanf("%d", &m);for (int i = 0; i < m; ++i) {scanf("%d", &x);if (a.find(x) != a.end()) {if (first) first = false; else printf(" ");printf("%d", x);}}return 0;
}

#include<bits/stdc++.h>
using namespace std;int main()
{std::ios::sync_with_stdio(false);long long x;set<long long> st;while (cin >> x) {if (x == 0) break;st.insert(x);}cout << st.size();return 0;
}

#include<bits/stdc++.h>
using namespace std;string digit[10][5];
string opr[6][5];   // + - * / = .void init() {digit[0][0] = "***";digit[0][1] = "* *";digit[0][2] = "* *";digit[0][3] = "* *";digit[0][4] = "***";digit[1][0] = "*";digit[1][1] = "*";digit[1][2] = "*";digit[1][3] = "*";digit[1][4] = "*";digit[2][0] = "***";digit[2][1] = "  *";digit[2][2] = "***";digit[2][3] = "*  ";digit[2][4] = "***";digit[3][0] = "***";digit[3][1] = "  *";digit[3][2] = "***";digit[3][3] = "  *";digit[3][4] = "***";digit[4][0] = "* *";digit[4][1] = "* *";digit[4][2] = "***";digit[4][3] = "  *";digit[4][4] = "  *";digit[5][0] = "***";digit[5][1] = "*  ";digit[5][2] = "***";digit[5][3] = "  *";digit[5][4] = "***";digit[6][0] = "***";digit[6][1] = "*  ";digit[6][2] = "***";digit[6][3] = "* *";digit[6][4] = "***";digit[7][0] = "***";digit[7][1] = "  *";digit[7][2] = "  *";digit[7][3] = "  *";digit[7][4] = "  *";digit[8][0] = "***";digit[8][1] = "* *";digit[8][2] = "***";digit[8][3] = "* *";digit[8][4] = "***";digit[9][0] = "***";digit[9][1] = "* *";digit[9][2] = "***";digit[9][3] = "  *";digit[9][4] = "***";opr[0][0] = "   ";opr[0][1] = " * ";opr[0][2] = "***";opr[0][3] = " * ";opr[0][4] = "   ";opr[1][0] = "   ";opr[1][1] = "   ";opr[1][2] = "***";opr[1][3] = "   ";opr[1][4] = "   ";opr[2][0] = "   ";opr[2][1] = "* *";opr[2][2] = " * ";opr[2][3] = "* *";opr[2][4] = "   ";opr[3][0] = "   ";opr[3][1] = "  *";opr[3][2] = " * ";opr[3][3] = "*  ";opr[3][4] = "   ";opr[4][0] = "    ";opr[4][1] = "****";opr[4][2] = "    ";opr[4][3] = "****";opr[4][4] = "    ";opr[5][0] = "  ";opr[5][1] = "  ";opr[5][2] = "  ";opr[5][3] = "**";opr[5][4] = "**";}
//
//   *        * *    *   ****
//  ***  ***   *    *
//   *        * *  *     ****   **
//                              **//  *    ***   ***   * *   ***   ***   ***   ***   ***   ***
//  *      *     *   * *   *     *       *   * *   * *   * *
//  *    ***   ***   ***   ***   ***     *   ***   ***   * *
//  *    *       *     *     *   * *     *   * *     *   * *
//  *    ***   ***     *   ***   ***     *   ***   ***   ***void print_num(int x, int p) {   // 输出数字x的第p行int dig[10], idx = 0;do {dig[idx++] = x % 10;x /= 10;} while (x);//    for (int i = idx-1; i >= 0; --i) {
//        printf("%d", dig[i]);
//        if (i) printf(" ");
//    }
//    printf("\n");for (int i = idx-1; i >= 0; --i) {cout << digit[ dig[i] ][p];if (i) cout << "  ";}}void print_double(double x, int p) {   // 输出数字x的第p行int x1 = x;int x2 = ceil((x - x1) * 100);int dig[10], idx = 0;do {dig[idx++] = x1 % 10;x1 /= 10;} while (x1);for (int i = idx-1; i >= 0; --i) {cout << digit[ dig[i] ][p];cout << "  ";}cout << opr[5][p];cout << "  ";cout << digit[ x2 / 10 ][p];if (x2 % 10 != 0) {cout << "  ";cout << digit[ x2 % 10 ][p];}}int main()
{freopen("in.txt", "r", stdin);freopen("out.txt", "w", stdout);int a, b, ans;char op;init();//print_num(120, 0);
scanf("%d%*c%c%*c%d", &a, &op, &b);//printf("%d %c %d\n", a, op, b);if (op == '+') {ans = a + b;for (int i = 0; i < 5; ++i) {print_num(a, i);printf(" ");printf(" ");cout << opr[0][i];printf(" ");printf(" ");print_num(b, i);printf(" ");printf(" ");cout << opr[4][i];printf(" ");printf(" ");print_num(ans, i);printf("\n");}} else if (op == '-') {ans = a - b; bool mi = false;if (ans < 0) mi = true, ans = -ans;for (int i = 0; i < 5; ++i) {print_num(a, i);printf(" ");printf(" ");cout << opr[1][i];printf(" ");printf(" ");print_num(b, i);printf(" ");printf(" ");cout << opr[4][i];printf(" ");printf(" ");if (mi) {cout << opr[1][i];printf(" ");printf(" ");}print_num(ans, i);printf("\n");}} else if (op == '*') {ans = a * b;for (int i = 0; i < 5; ++i) {print_num(a, i);printf(" ");printf(" ");cout << opr[2][i];printf(" ");printf(" ");print_num(b, i);printf(" ");printf(" ");cout << opr[4][i];printf(" ");printf(" ");print_num(ans, i);printf("\n");}} else {if (a % b == 0) {ans = a / b;for (int i = 0; i < 5; ++i) {print_num(a, i);printf(" ");printf(" ");cout << opr[3][i];printf(" ");printf(" ");print_num(b, i);printf(" ");printf(" ");cout << opr[4][i];printf(" ");printf(" ");print_num(ans, i);printf("\n");}} else {double fans = (double)a / b;//printf("%f", fans);for (int i = 0; i < 5; ++i) {print_num(a, i);printf(" ");printf(" ");cout << opr[3][i];printf(" ");printf(" ");print_num(b, i);printf(" ");printf(" ");cout << opr[4][i];printf(" ");printf(" ");print_double(fans, i);printf("\n");}}}return 0;
}