#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <cfloat>
#include <ctime>
#include <cassert>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <numeric>
#include <list>
#include <iomanip>
#include <fstream>
#include <bitset>
   
using namespace std;
   
 
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define foreach(it, c) for (__typeof__((c).begin()) it=(c).begin(); it != (c).end(); ++it)
#define rforeach(it, c) for (__typeof__((c).rbegin()) it=(c).rbegin(); it != (c).rend(); ++it)
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define CL(arr, val) memset(arr, val, sizeof(arr))
#define COPY(dest, src) memcpy(dest, src, sizeof(dest))
#define ten(n) ((long long)(1e##n))
#define bin(n) (1ull << (n))
#define erep(i, n) for (int i = 0; i <= (int)(n); ++i)
#define revrep(i, n) for (int i = (n); i >= 0; --i)
#define pb push_back

template <class T> void chmax(T& a, const T& b) { a = max(a, b); }
template <class T> void chmin(T& a, const T& b) { a = min(a, b); }

template <class T> void uniq(T& c) { sort(c.begin(), c.end()); c.erase(unique(c.begin(), c.end()), c.end()); }
 
template <class T> string to_s(const T& a) { ostringstream os; os << a; return os.str(); }
template <class T> T to_T(const string& s) { istringstream is(s); T res; is >> res; return res; }
  
template <class T, class U> ostream& operator<<(ostream& os, pair<T, U>& p) { os << "( " << p.first << ", " << p.second << " )"; return os; }
  
template <class T> void print(T a, int n, const string& deli = " ", int br = 1) { for (int i = 0; i < n; ++i) { cout << a[i]; if (i + 1 != n) cout << deli; } while (br--) cout << endl; }
template <class T> void print(const T& c, const string& deli = " ", int br = 1) { foreach (it, c) { cout << *it; if (++it != c.end()) cout << deli;--it; } while (br--) cout << endl; }
template <class T> void print2d(T a, int w, int h, int width = -1, int br = 1) { for (int i = 0; i < h; ++i) { for (int j = 0; j < w; ++j) {    if (width != -1) cout.width(width); cout << a[i][j] << ' '; } cout << endl; } while (br--) cout << endl; }
   
template <class T> void input(T& a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }
template <class T> void input(T* a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }

void fix_pre(int n) { cout.setf(ios::fixed, ios::floatfield); cout.precision(10); }
void fast_io() { cin.tie(0); ios::sync_with_stdio(false); }
#define trace(x) (cout << #x << ": " << (x) << endl)
 
bool in_rect(int x, int y, int w, int h) { return 0 <= x && x < w && 0 <= y && y < h; }


typedef long long ll;
typedef pair<int, int> pint;
 
// y(v): v>^<  y(^): ^>v<
const int dx[] = { 0, 1, 0, -1 };
const int dy[] = { 1, 0, -1, 0 };

const double PI = acos(-1.0);



const int mod = ten(6);
void add(int& a, int b)
{
    a += b;
    if (a >= mod)
        a -= mod;
}
int main()
{
    int h, w;
    cin >> h >> w;

    if (w == 1)
    {
        int res = 1;
        rep(i, h)
            (res *= 2) %= mod;
        cout << res << endl;
        return 0;
    }

    static int dp[111][111][111][3]; // (last pos0~2, pos)
    dp[1][0][0][0] = 1;
    erep(i, h + 1) erep(j, h + 1) erep(k, h + 1) rep(pos, 3)
    {
        int cur = dp[i][j][k][pos];
        if (cur == 0)
            continue;

        if (pos == 0)
        {
            add(dp[i + 1][j][k][0], cur);
            
            if (i > j)
                add(dp[i][i][k][1], cur);

            int space = i - max(j, k) - 1;
            if (space > 0)
                add(dp[i][i][i][2], cur * space % mod);
        }
        else if (pos == 1)
        {
            if (j > i)
                add(dp[j][j][k][0], cur);

            add(dp[i][j + 1][k][1], cur);

            if (j > k)
                add(dp[i][j][j][2], cur);
        }
        else if (pos == 2)
        {
            int space = k - max(i, j) - 1;
            if (space > 0)
                add(dp[k][k][k][0], cur * space % mod);

            if (k > j)
                add(dp[i][k][k][1], cur);

            add(dp[i][j][k + 1][2], cur);
        }
    }

    int res = 0;
    erep(i, h + 1) erep(j, h + 1)
        add(res, dp[i][j][h + 1][2]);
    cout << res << endl;
}

Measured memory_bytes: 15776