#include <stdio.h>
#include <stdlib.h>

int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    int a,y;
    long long x,rez=1ll,MOD=1999999973ll;
    scanf("%d %d",&a, &y);
    x=a;
    for (;y>0;y>>=1)
    {
        if (y&1) rez=(rez*x)%MOD;
        x=(x*x)%MOD;
    }
    printf("%lld\n",rez);
    fclose(stdout);
    return 0;
}