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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("pascal.in") ;
ofstream fout ("pascal.out") ;
long long l , c , p[5000005] ;
void citire ()
{
fin >> l >> c ;
}
void rezolvare ()
{
long long pp , pv = 1 ;
for ( long long i = 1 ; i <= l ; i ++ )
{
pp = p[i] ;
p[i] += pv ;
pv = pp ;
}
}
void afisare()
{
long long r = 0 ;
for ( long long i = 1 ; i <= l ; i ++ )
if ( p[i] % c == 0 )
r ++ ;
fout << r ;
}
int main()
{
citire() ;
rezolvare() ;
afisare () ;
return 0;
}