forfor

public class forfor {

    public static void main(String[] args) {


        for (int i = 1; i < 6; i++) {
            for (int k = 2; k <= i; k++) {
                int u = i & k;
                int y = i;
                int z = i / k;

                if (z == 1)
               if (u == 0)
                    System.out.println(i + " " + k);

            }
            }
        }
    }