#include<stdio.h>
using namespace std;
#include<iostream>
long long a,b,p,N=1999999973;
FILE *f,*g;
int main()
{
f=fopen("igput.in","r");
g=fopen("igput.out","w");
fscanf(f,"%lld%lld",&a,&b);
    p=1;
    while(b)
        {if(b%2==1)
            {p=(p*a)%N;
            b--;
            }
        a=(a*a)%N;
        b=b/2;
        }
fprintf(g,"%lld",p);
}