#include<bits/stdc++.h> using namespace std; int a[105][105],m,n,y,g,s,b,q,w,sw; int main(){ cin>>n>>m; for(int i=0;i<n;i++){ for(int j=0;j<m;j++){ cin>>a[i][j]; g=a[i][j]%10; s=a[i][j]/10%10; b=a[i][j]/100%10; q=a[i][j]/1000%10; w=a[i][j]/10000%10; sw=a[i][j]/100000%10; if((g+s+b+q+w+sw)%2!=0) y++; } } cout<<y; return 0; }