#include <fstream>
#define c 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a,b;
int put(long long a,long long b)
{
    long long x=1;
    while(b!=0)
    {
        if(b%2==1)
        {
            x=x*a%c;
        }
        b=b/2;
        a=a*a%c;
    }
    return x;
}
int main()
{
    fin>>a>>b;
    fout<<put(a,b);

    return 0;
}