import java.util.Random;

public class aufgabe12 {
    public static void main(String[] args) {
        Random r = new Random();
        int[] a = new int[6];

        for (int i = 0; i < a.length; i++) {
            int tmp = r.nextInt(49)+1;
            while(istVorhanden(tmp, a, i)) {
                tmp = r.nextInt(49)+1;
            }
            a[i] = tmp;
            System.out.println(a[i]);
        }

    }

    static boolean istVorhanden(int x, int[] a, int i) {
        for (int j = 0; j <= i; j++) {
            if(a[j] == x) {
                return true;
            }
        }
        return false;
    }
}