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