129A cookies

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#include<iostream>
using namespace std;
int main()
{
  int n=0,arr[100],i,sum=0,ans(0);
  cin>>n;
  for(int j=0;j<n;j++)
   {cin>>arr[j];
   sum =sum+arr[j];
   }
   for(int j=0;j<n;j++){
   if((sum-arr[j])%2==0)
   ans++;

   }
   cout<<ans;

}

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