#include <bits/stdc++.h>
#define MOD 1999999973
ifstream in("lgput.in");
ofstream out("lgput.out");
long long put(long long a, long long b)
{
    long long p=1;
    while(b)
    {
        if(b&1)
        {
            p=(p*a)%MOD;
            --b;
        }
        a=(a*a)%MOD;
        b=b/2;
    }
    return p;
}
int main()
{
    in>>a>>b;
    out(put(a,b));
}