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#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long lgput(long long a, long long b)
{
if (b == 1)
{
return a % mod;
}
if (b % 2 == 1)
{
return (a % mod)*lgput(a % mod, b - 1);
}
return lgput((a * a) % mod, b / 2) % mod;
}
int main()
{
long long a, b;
f>>a>>b;
g<<lgput(a, b) % mod;
return 0;
}