#include <bits/stdc++.h>
#define cin fin
#define cout fout
#define MOD 1999999973
using namespace std;
ifstream cin ("lgput.in");
ofstream cout ("lgput.out");
long long int a,b;
long long int putere(long long int a,long long int b)
{
    long long int ras=1;
    while(b)
    {
        if(b%2==1)
        {
            ras=(ras*a)%MOD;
        }
        b=b/2;
        a=a*a%MOD;
    }
    return ras;
}
int main()
{
    cin>>a>>b;
    cout<<putere(a,b);
    return 0;
}