#include <fstream>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a,b,MOD=1999999973;
int rise(long long a, long long b) {
 if(b == 0) return 1;
 long x = rise(a, b / 2);
 if(b % 2 == 0) return (x * x) % MOD;
 return (((x * x) % MOD) * a) % MOD;
}

int main()
{fin >> a >> b;
fout<<rise(a,b);
    return 0;
}