#include<stdio.h>

void main(){
	int a[100][100];
	int i,j,n,m,t=0,g,s,b,q;
	scanf("%d %d",&n,&m);
	
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			scanf("%d",&a[i][j]);
		}
	}
	
	for(i=0;i<n;i++){
		for(j=0;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;
			if((g+s+b+q)%2!=0){
				t++;
			}
		}
	}
	
	printf("%d",t);
}
/**************************************************************
	Problem: 1496
	User: admin
	Language: C
	Result: Accepted
	Time:12 ms
	Memory:1144 kb
****************************************************************/