#include <fstream>
#include <iostream>

using namespace std;

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

long long putere(long long, long long);

long long a, b;

int main()
{
    while(cin >> a >> b)
    cout << putere(a, b);
    return 0;
}


long long putere(long long a, long long exp)
{
    if(exp == 1)
        return 2;
    else
    {
        b = putere(a, exp/2)%1999999973;
        if(exp%2 == 0)
            return (b%1999999973*b%1999999973)%1999999973;
        else
            return (((b%1999999973)*b%1999999973)*a%1999999973)%1999999973;
    }
}