#include<stdio.h>
#define LL long long


LL N,M;

int main()
{
	freopen("inversmodular.in","r",stdin);
	freopen("inversmodular.out","w",stdout);
	scanf("%lld %lld\n",&N,&M);
	LL nr = N;
	LL crt = 1;
	LL put = M - 2;
    for(LL p = 1;p <= put;p <<= 1)
    {
	 	if (p & put) crt = (crt * nr) % M;
	  	nr = (nr * nr) % M;
	}
	printf("%lld\n",crt);
	return 0;
}