#include<cstdio>

#include<cstring>

#include<iostream>

using namespace std;

#define  MAX(x,y) (((x)>(y)) ? (x) : (y))

#define  MIN(x,y) (((x) < (y)) ? (x) : (y))

#define ABS(x) ((x)>0?(x):-(x))

const int inf = 0x7fffffff;

const int N=;

int win[N][*N];

int state[N];Z

int main()

{

    int n,m;

    while(cin>>n>>m)

    {

        int cnt=;

        for(int i=; i<=n; i++)

        {

            for(int j=; j<=*m; j++)

            {

                scanf("%d",&win[i][j]);

                if(j% == ){

                    if(win[i][j-] ==  || win[i][j] == ){

                        cnt++;

                    }

                }

            }

        }

        cout<<cnt<<endl;

    }

    return ;

}