#include <iostream>
#include <stdio.h>
#define y 1999999973
using namespace std;
FILE *f,*g;
int main()
{
    long long n,x,rez=1,p;
    f=fopen("lgput.in","r");
    g=fopen("lgput.out","w");
    fscanf(f,"%lld %lld",&x,&n);
    while(n!=0)
    {
        if(n%2!=0)
        {
            rez=rez*x%y;
            n--;
        }
        x=x*x%y;
        n/=2;
    }
    fprintf(g,"%lld",rez);
    cout<<rez;



    fclose(f);
    fclose(g);
    return 0;
}