#include <bits/stdc++.h>
#define MOD 1999999973

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long a,b;

long long putere(long long a, long long b)
{
    if(b==0) return 1;

    long long x=putere(a,b/2);

    if(b%2==1) return ((x%MOD)*(x%MOD)%MOD*a%MOD)%MOD; 
    else return (x%MOD)*(x%MOD)%MOD; 
}

int main()
{
    fin>>a>>b;

    fout<<putere(a,b);
}