#include <fstream>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long putere(unsigned long long a,unsigned long long b) {
    if (a==1) {
        return 1;
    }
    if(b==0) {
        return 1;
    }
    if (b==1) {
        return a%1999999973;
    }
    if (b%2==0) {
        return putere((a*a)%1999999973,b/2)%1999999973;
    } else {
        return a*putere((a*a)%1999999973,b/2)%1999999973;
    }
}
int main() {
    unsigned long long a,b;
    f>>a>>b;
    g<<putere(a,b)<<'\n';
    return 0;
}