#include <iostream>

#include <fstream>

using namespace std;

ifstream f("secventapara.in");

ofstream g("secventapara.out");

int num,scv,scvmax,contor;

int main()

{

   while (f >> num)

   {

       if (num%2==0)

       {

           ++scv;

       }

       else

       {

           if (scv>scvmax) { scvmax=scv; contor=1; }

           else

           {

               if (scv==scvmax) ++contor;

           }

           scv=0;

       }

   }

   if (scv>scvmax) { scvmax=scv; contor=1; }

   else

   {

       if (scv==scvmax) ++contor;

   }

   g << contor;

   return 0;

}