class BreakTest{

	
static void gemeinsam(int[] a, int[] b){
		for (int x:a)
		   for(int y:b) 
		      if(x==y){ System.out.print(x+" "); break; } 
		}
		
public static void main(String[] args){
    int[] m1 = {12,4,3,7,19,13,42};
    int[] m2 = { 23,2,42,12,56,5,3};
    gemeinsam(m1,m2);
   }	
}