#include <stdio.h>
#define R 1999999973
long long lgput(long long a, long long n){
    if(n==1)
        return a;
    if(n%2==0)return lgput(a*a%R,n/2);
    else return a*lgput(a*a%R,n/2)%R;
}
int main(){
    long long a,n;
    FILE *fin,*fout;
    fin=fopen("lgput.in","r");
    fout=fopen("lgput.out","w");
    fscanf(fin,"%lld%lld",&a,&n);
    fprintf(fout,"%lld",lgput(a,n));
    return 0;
}