#include<stdio.h>
#include<algorithm>
#define mod 20110926
using namespace std;
const int maxn=2010;
int m,n;
int f[maxn][maxn];
int HZOI()
{
freopen("xinyuan.in","r",stdin);
freopen("xinyuan.out","w",stdout);
scanf("%d%d",&m,&n);
for(int i=0;i<=m;i++)f[i][0]=1;
for(int i=0;i<=n;i++)f[0][i]=1;
for(int i=1;i<=m;i++){
for(int j=1;j<=n;j++)
f[i][j]=(f[i-1][j]+f[i][j-1])%mod;
}
printf("%d",f[m][n]%mod);
return 0;
}
int hzoi=HZOI();
int main(){;}