#include<bits/stdc++.h>
using namespace std;
int main()
{
	int i,n,t,m,a[100][100],j,x=0,k=0;
	cin>>n>>m;
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cin>>a[i][j];
			t=a[i][j];
			while(t/10!=0){
				x=x+t%10;
				t/=10;
			}
			if(x%2==0)
				k++;	
		}
	}
	cout<<k+1;
	return 0;
}
/**************************************************************
	Problem: 1496
	User: houshanglin
	Language: C++
	Result: Wrong Answer
****************************************************************/