#include <stdio.h>
#define mod 1999999973
using namespace std;
long long a,b;

long long putere(long long a,long long b){
if(b==0) return 1;
long long x=putere(a,b/2);
if(b%2==1) return x*x%mod*a%mod;
else return x*x%mod;
}
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);

        scanf("%lld%lld",&a,&b);
        printf("%lld\n",putere(a,b));


    return 0;
}