#include <bits/stdc++.h>
using namespace std;
int n,m,c;
int a[250][250];
int main(){
    cin>>n>>m;
    for(int i=1;i<=n;i++){
       for(int j=1;j<=m;j++){
    	cin>>a[i][j];
    	if(a[i][j]%2==0) c++;
       }
    }
cout<<c;
    return 0;
}
/**************************************************************
	Problem: 1384
	User: wangyousi
	Language: C++
	Result: Wrong Answer
****************************************************************/