#include <bits/stdc++.h>
#define tip long long
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const tip MOD=1999999973;
tip b,e,putere(tip,tip);
int main()
{
    f>>b>>e;
    g<<putere(b,e);
    return 0;
}
tip putere(tip b,tip e)
{
    tip p=1;
    for(;e;e/=2)
    {
        if(e%2)p=(p*b)%MOD;
        b=(b*b)%MOD;
    }
    return p;
}