#include<cstdio>
using namespace std;
long long x=0LL,y=1LL,z=0LL,k=0LL,n=0LL;
int main()
{
	freopen("fibo.in","r",stdin);
	scanf("%lld%lld",&k,&n);
    while(k>0)
	{
		z=(x+y)%n;
		x=y;
		if(z==(2*n))
			x=1,y=1;
		y=z;
		k--;
	}
	freopen("fibo.out","w",stdout);
	printf("%lld\n",x);
}