#define _CRT_SECURE_NO_WARNINGS
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
#include <bits/stdc++.h>
using namespace std;
int C[201][201];
int main()
{
    C[0][0] = 1;
    for (int i = 1; i <= 200; i++)
        for (int j = 1; j <= i; j++)
            C[i][j] = (C[i - 1][j] + C[i - 1][j - 1]) % 1000000;
    int n, m;
    while (scanf("%d%d", &n, &m) && (n | m))
        printf("%d\n", C[n + m][m]);
    return 0;
}