#include <iostream>
#include <fstream>

using namespace std;

const int mod=1999999973;

int main()
{
    ifstream fin ("lgput.in");
    ofstream fout ("lgput.out");
    int a,b,c=1;
    fin>>a>>b;
    if (b==0)
        fout<<1;
    else
    {
        while(b>1)
        {
            if (b%2==0)
            {
                a=(a*a)%mod;
                b/=2;
            }
            else
            {
                c=(c*a)%mod;
                b--;
            }
        }
        fout<<(c*a)%mod;
    }
    return 0;
}