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

/**************************************************************
	Problem: 1496
	User: yangjunwenredianling
	Language: C
	Result: Compile Error
****************************************************************/