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