#include<iostream>
#include<cstdio>
#define lon long long
using namespace std;
lon n,p;
lon a[110]={1,682498929,491101308,76479948,723816384,67347853,27368307,
625544428,199888908,888050723,927880474,281863274,661224977,623534362,
970055531,261384175,195888993,66404266,547665832,109838563,933245637,
724691727,368925948,268838846,136026497,112390913,135498044,217544623,
419363534,500780548,668123525,128487469,30977140,522049725,309058615,
386027524,189239124,148528617,940567523,917084264,429277690,996164327,
358655417,568392357,780072518,462639908,275105629,909210595,99199382,
703397904,733333339,97830135,608823837,256141983,141827977,696628828,
637939935,811575797,848924691,131772368,724464507,272814771,326159309,
456152084,903466878,92255682,769795511,373745190,606241871,825871994,
957939114,435887178,852304035,663307737,375297772,217598709,624148346,
671734977,624500515,748510389,203191898,423951674,629786193,672850561,
814362881,823845496,116667533,256473217,627655552,245795606,586445753,
172114298,193781724,778983779,83868974,315103615,965785236,492741665,
377329025,847549272,698611116};
int main()
{
freopen("np.in","r",stdin);
freopen("np.out","w",stdout);
cin>>n>>p;
if(n>=p)
{
cout<<0;
return 0;
}
if(p==1000000007)
{
lon now=n/10000000;
lon ans=a[now];
for(lon i=now*10000000+1;i<=n;i++)
ans=ans*i%p;
cout<<ans%p;
return 0;
}
lon ans=1;
for(int i=1;i<=n;i++)
ans=ans*i%p;
cout<<ans%p;
fclose(stdin);fclose(stdout);
return 0;
}