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#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a, b;
long long put(long long a, long long b) {
long long p = 1;
while(b) {
if((b & 1) == 1) p = (p * a) % mod;
a = ((a % mod) * (a % mod)) % mod;
b >>= 1;
}
return p;
}
int main() {
ios_base::sync_with_stdio(false);
fin.tie(NULL);
fin >> a >> b;
fout << put(a, b);
return 0;
}