//works perfectly

#include<bits/stdc++.h>

#define endl "\n"

int main(){

int N, H;

std::cin >> N >> H;

bool isCraneLoaded = false;

int stack[N], cranePosition, command;

cranePosition = 0;

for(unsigned int i = 0; i < N; i++)

std::cin >> stack[i];

// comommad

// 1. Move left