#include<stdio.h>
typedef struct TreeNode{
    int data;
}node;
int main(){
    int N,L,arr[];
    scanf("%d",&N);
    scanf("%d",&L);
    node arr[N];
    for(int i=0;i<N;i++){
        scanf("%d",arr[i].data);
    }
    int sum =0;
    int node =0
    int count = 0;
    for(i=0;i<N;i++){
        
    }


}