#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long lgput(unsigned long long a,unsigned long long b){
    if(b==1)
        return a%mod;
   //- cout<<a<<" "<<b<<endl;
        if(b%2==0)
            return lgput(a*a%mod,b/2)%mod;
        else return (lgput(a*a%mod,b/2)%mod*a)%mod;
}
int main(){
    unsigned long long a,b;
    fin>>a>>b;
    fout<<lgput(a,b);
}