#include<stdio.h>
#define m 9901;
long long mod=1,a,b,n,l,sum;
int main()
{
FILE *f=fopen("lgput.in","r");
FILE *g=fopen("lgput.out","w");
    fscanf(f,"%lld %lld",&a,&b);
    n=b+1;
    l=a;
    while(n>0)
    {
		if(n%2==1)
         mod=mod*a;
        a=a*a;
		n=n/2;
	}
	sum=((mod-1)/(l-1))% m;
	fprintf(g,"%lld",sum);
fclose(f);
fclose(g);
return 0;
}