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#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
const int MOD = 1999999973;
long long fast_exp_rec(int a, int b)
{
if(b == 0)
return 1;
else
{
long long p = fast_exp_rec(a, b/2) % MOD;
if(b % 2)
return (((p*p)%MOD)*a)%MOD;
else
return ((p*p)%MOD);
}
}
long long fast_exp_itr(int a, int b)
{
long long ans = 1;
while(b)
{
if(b % 2)
ans = (ans * a) % MOD;
a = (a * a) % MOD;
b/=2;
}
return ans;
}
int main()
{
long long a, b;
cin >> a >> b;
cout << fast_exp_itr(a, b);
return 0;
}