#include <iostream>
#define mod 1999999973
using namespace std;

long long putere(long long base,long long exponent){
    if(exponent==0)
        return 1;
    if(exponent%2)
        return base*putere(base*base,exponent/2)%mod;
    return putere(base*base,exponent/2)%mod;
}
int main()
{
    long long a,b;
    cin>>a>>b, cout<<putere(a,b);
    return 0;
}