function2

import java.util.Scanner;

public class lab8function2 {


    public static int[] merg(int[] arr1,int[] arr2){
        int count =0 ;

        for(int i=0;i<arr1.length;i+=1){
            for(int j=0;j<arr2.length;j+=1){
                if(arr1[i]==arr2[j]){
                    count+=1;
                }
            }
        }
        int k =0;
        int[] arr3 = new int[count];
        for(int i=0;i<arr1.length;i+=1){
            for(int j=0;j<arr2.length;j+=1){
                if(arr1[i]==arr2[j]){
                    arr3[k]=arr1[i];
                    k+=1;
                }
            }
        }
        return arr3;
    }

    public static void main(String[] args) {
        int[] arr1,arr2;
        System.out.println("please enter first and second array size");
        Scanner s = new Scanner(System.in);
        arr1 = new int[s.nextInt()];
        arr2 = new int[s.nextInt()];

        System.out.println("please enter values for first array");
        for (int i=0;i<arr1.length;i+=1){
            arr1[i] = s.nextInt();
        }
        System.out.println("please enter values for second array");
        for (int i=0;i<arr2.length;i+=1){
            arr2[i] = s.nextInt();
        }

        int[] arr3 = merg(arr1,arr2);
        for (int i=0;i<arr3.length;i+=1){
            System.out.printf("%d ",arr3[i]);
        }

        System.out.println();

    }
}