#include<bits/stdc++.h>
using namespace std;
int n,m,a[1000][1000],g,s,b,q,c; 
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++) {	
			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;
	}
/**************************************************************
	Problem: 1496
	User: chenxuanyi
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:5980 kb
****************************************************************/