#D2010. Equal Product

    ID: 1670 Type: Default 2000ms 256MiB

Equal Product

Equal Product

You are given four integers n, m, l and r.

Let's name a tuple (x_1, y_1, x_2, y_2) as good if:

  1. 1 ≤ x_1 < x_2 ≤ n;
  2. 1 ≤ y_2 < y_1 ≤ m;
  3. x_1 ⋅ y_1 = x_2 ⋅ y_2;
  4. l ≤ x_1 ⋅ y_1 ≤ r.

Find any good tuple for each x_1 from 1 to n inclusive.

Input

The first line contains two integers n and m (1 ≤ n, m ≤ 2 ⋅ 10^5).

The second line contains two integers l and r (1 ≤ l ≤ r ≤ nm).

Output

For each x_1 from 1 to n inclusive:

  • if there are no such four integers, print -1;
  • otherwise, print four integers x_1, y_1, x_2 and y_2. If there are multiple answers, print any of them.

Examples

Input

8 20 91 100

Output

-1 -1 -1 -1 -1 6 16 8 12 -1 -1

Input

4 5 1 10

Output

1 2 2 1 2 3 3 2 -1 -1

Input

5 12 16 60

Output

-1 2 9 3 6 3 8 4 6 4 5 5 4 -1

inputFormat

Input

The first line contains two integers n and m (1 ≤ n, m ≤ 2 ⋅ 10^5).

The second line contains two integers l and r (1 ≤ l ≤ r ≤ nm).

outputFormat

Output

For each x_1 from 1 to n inclusive:

  • if there are no such four integers, print -1;
  • otherwise, print four integers x_1, y_1, x_2 and y_2. If there are multiple answers, print any of them.

Examples

Input

8 20 91 100

Output

-1 -1 -1 -1 -1 6 16 8 12 -1 -1

Input

4 5 1 10

Output

1 2 2 1 2 3 3 2 -1 -1

Input

5 12 16 60

Output

-1 2 9 3 6 3 8 4 6 4 5 5 4 -1

样例

4 5
1 10
1 2 2 1

2 2 4 1 -1 -1

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