#include <bits/stdc++.h>
#define Mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
typedef long long ll;
ll A,B,ans=1;

int main()
{
    f>>A>>B;
    for(int i=log2(B);i>=0;i--)
    {
        ans=(ans*ans)%Mod;
        if( ( B & (1<<i) ) > 0 ) ans=( ans * A )%Mod;
    }
    g<<ans;
    return 0;
}