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#include <bits/stdc++.h>
using namespace std;
ifstream fin("pascal.in");
ofstream fout("pascal.out");
int r,d,m[2][5000005],linia=1,i,nr;
int main()
{
fin>>r>>d;
m[0][0]=1;
while(linia <= r)
{
i=0;
while(i <= linia)
{
if(i == 0)
m[1][i]=m[0][i];
else
m[1][i]=(m[0][i]+ m[0][i-1])%d;
i++;
}
for(i=0; i <= linia; i++)
m[0][i]=m[1][i];
linia++;
}
for(i=0; i<linia; i++)
if(m[0][i] == 0)
nr++;
fout<<nr;
return 0;
}