#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <map>
#include <string>
#include <cstring>
#include <ctime>
#define ms(a,b) memset(a,b,sizeof(a))
using namespace std;
typedef long long ll;
const long long M = 1000000007;
const int fcnt = 100005;

long long exgcd(long long a, long long b, long long &x, long long &y)
{
    if (b == 0)
    {
        x = 1;
        y = 0;
        return a;
    }
    long long ans = exgcd(b, a % b, x, y);
    long long temp = x;
    x = y;
    y = temp - (a / b) * y;
    return ans;
}
long long inv(long long a)
{
    long long x, y;
    long long t = exgcd(a, M, x, y);
    if (t != 1)
    {
        return -1;
    }
    return (x % M + M) % M;
}

long long fac[fcnt];
void getfac()
{
    fac[0] = 1;
    for (int i = 1; i < fcnt; i++)
    {
        fac[i] = fac[i - 1] * i % M;
    }
}
long long C(long long n, long long m)
{
    if (n < m)
    {
        return 0;
    }
    return fac[n] * inv(fac[m]) % M * inv(fac[n - m]) % M;
}
long long lucas(long long n, long long m)
{
    if (m == 0)
    {
        return 1;
    }
    return (lucas(n / M, m / M) * C(n % M, m % M)) % M;
}
int main()
{
    getfac();
    ll n, m;
    while (cin >> n >> m)
    {
        cout << lucas(n, m) << endl;
    }
    return 0;
}