msg555

#include <iostream>
#include <sstream>
#include <vector>
#include <map>
#include <math.h>
#include <algorithm>
#include <numeric>
#include <bitset>
#include <stack>
#include <queue>

msg555

#include<stdlib.h>
#include<string.h>
#include<stddef.h>
#include<stdint.h>
#include<stdio.h>
#define ui uint32_t
#define uj uint64_t
#define uk size_t
#define BS 100000000
#define BBS ((uj)BS*BS)

msg555

#include <iostream>
#include <vector>
#include <queue>
#include <cstring>
#include <map>

using namespace std;

int dr[] = {-1, 1, 0, 0};
int dc[] = {0, 0, -1, 1};

msg555

#include <iostream>
#include <cstring>

using namespace std;

int DP[50010];

int main() {
  int N, H;
  cin >> N >> H;

msg555

#!/usr/bin/python
#
# Example usage
# $ ./gangnam.py | gnuplot
# 9
# 0 0
# 1 1
# 2 2
# 0 2
# 1 1

msg555

#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <map>
#include <set>
#include <queue>

using namespace std;

msg555

#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <cstdio>

using namespace std;

msg555

#include <iostream>
#include <vector>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <numeric>

msg555

#include <iostream>
#include <vector>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <numeric>

msg555

#include <iostream>
#include <vector>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <numeric>