/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	 public static void interseccao(int[] vetorA, int[] vetorB){
        int indiceA = 0;
        int indiceB = 0;

        while (indiceA < vetorA.length && indiceB < vetorB.length){
            if (vetorA[indiceA] == vetorB[indiceB]){
                System.out.print(vetorA[indiceA] + " ");
                indiceA++;
                indiceB++;
            }
            else if (vetorA[indiceA] < vetorB[indiceB]){
                indiceA++;
            }
            else {
                indiceB++;
            }
        }

    }

    public static void main(String[] args){

        int[] vetorA = {1,2,3,4,5,6,7,8};
        int[] vetorB = {3,4,7,8,9,10};

        interseccao(vetorA, vetorB);
    }
}