#include<bits/stdc++.h>
using namespace std;
int a[200][200];
int n,m,g,s,b,q,c;
int main(){
	cin>>n;
	cin>>m;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cin>>a[i][j];
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			g=a[i][j]/1%10;
			s=a[i][j]/10%10;
			b=a[i][j]/100%10;
			q=a[i][j]/1000%10;
			if((g+s+b+q)%2!=0) c++;
			
		}
	}
	cout<<c;
 
 

	return 0;
}

/**************************************************************
	Problem: 1496
	User: zhuanghaoxiang
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2228 kb
****************************************************************/