#include<bits/stdc++.h>
using namespace std;
int n,m,g,s,b,q,p=0,c;
int a[200][200];
int main(){
	cin>>n>>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++){
			c=a[i][j];
			g=c%10;
			s=c/10%10;
			b=c/100%10;
			q=c/1000%10;
			if((g+s+b+q)%2!=0) p++;
			
		}
	}
	cout<<p;
}
/**************************************************************
	Problem: 1496
	User: dengyuanyan
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2228 kb
****************************************************************/