#include <bits/stdc++.h>
#define m 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long a,p;
int expr(long long a, long long p)
{
    int r=1;
    while(p)
    {
        if(p%2==1)r=(r*a)%m;
        a=(a*a)%m;
        p/=2;
    }
    return r;
}
int main()
{
    fin>>a>>p;
    fout<<expr(a,p)%m;
    return 0;
}