#include <iostream>
#include <fstream>
#define m 1999999973
using namespace std;
long long exp(long long a, long long b)
{
	if (b == 0)
		return 1;
	if (b == 1)
		return a;
	if (b % 2 == 0)
	{
		return exp(a * a, b / 2) % m;
	}
	else
	{
		return (a * exp(a * a, (b - 1) / 2)) % m;
	}
}


int main()
{
	fstream inFile;
	inFile.open("lgput.in");
	long long a, b;
	inFile >> a >> b;
	inFile.close();
	ofstream outFile;
	outFile.open("lgput.out");
	long long rez = exp(a, b);
	outFile << rez;
	outFile.close();
}