CSES - Sum of Four Values
  • Time limit: 1.00 s
  • Memory limit: 512 MB
You are given an array of $n$ integers, and your task is to find four values (at distinct positions) whose sum is $x$.

Input

The first input line has two integers $n$ and $x$: the array size and the target sum.

The second line has $n$ integers $a_1,a_2,\dots,a_n$: the array values.

Output

Print four integers: the positions of the values. If there are several solutions, you may print any of them. If there are no solutions, print IMPOSSIBLE.

Constraints
  • $1 \le n \le 1000$
  • $1 \le x,a_i \le 10^9$
Example

Input:
8 15
3 2 5 8 1 3 2 3


Output:
2 4 6 7