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

/**************************************************************
	Problem: 1496
	User: fzy001
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/