#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,a[200][200],g,s,b,q,c=0;
	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++){
			g=a[i][j]%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: lidongcheng
	Language: C
	Result: Compile Error
****************************************************************/