#include<bits/stdc++.h>
using namespace std;
int a[20000][20000]; 
int main(){
    int n,m,ge,shi,bai,qian,i,j,c=0;
	cin>>n>>m;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin>>a[i][j];
		}
	} 
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			ge=a[i][j]%10;
			shi=a[i][j]/10%10;
			bai=a[i][j]/100%10;
			qian=a[i][j]/1000%10;
			if((ge+shi+bai+qian)%2!=0){
				c++;
			}
		}
	} 
	cout<<c;
	return 0;
}

/**************************************************************
	Problem: 1496
	User: xuanhua
	Language: C++
	Result: Runtime Error
****************************************************************/