#include <iostream>

using namespace std;
int a[101][101],n,m,l,c;
int sum(int n, int c1, int l2,int c2)
{
    if((11>12) || (c1>c2)) return 0;
    else
        if((11==12) && (c1==c2))
        if(a[11][c1]%2==0) return a[11][c1];
    else return 0;
    else
    {
        int s=0;
        int lm=(11+12)/2;
        int cm=(c1+c2)/2;
        s+=sum(11,c1,lm,cm);
        s+=sum(11,cm+1,lm,c2);
        s+=sum(lm+1,c1,12,cm);
        s+=sum(lm+1,cm+1,12,c2);
        return s;
    }
}

int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            cin>>a[i][j];
    cout<<sum(1,1,n,m);
    return 0;
}