public class Tervitus {
  public static double keskmine(int[] m){
	  int summa=0;
	  for(int arv: m){
		  summa+=arv;
	  }
	  return summa*1.0/m.length;
  }
  public static int korruta(int a1, int a2){
	  return a1*a2;
  }
  public static void main(String[] arg){
	  System.out.println("Tere");
	  System.out.println(korruta(3, 6));
	  System.out.println(keskmine(new int[]{2, 3, 5}));
  }
}