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