#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 100 + 10;
const int INF = 0x3f3f3f3f;
int n , m , sum;
int a [N] [N];
int dfs (int n , int m)
{
	int k = a [n] [m];
	if (k % 15 == 0)
	{
		a [n] [m] = 0;
		return k;
	} 
	return 0;
}
signed main()
{
	    cin >> n >> m;
	    for (int i = 1; i <= n; i++)
	        for (int j = 1; j <= m; j++)
	            cin >> a [i] [j];
	    for (int i = 1; i <= n; i++)
	    {
	    	sum += dfs (i , 1);
	    	sum += dfs (i , m);
		}
		for (int i = 1; i <= m; i++)
		{
			sum += dfs (1 , i);
			sum += dfs (n , i);
		}
	    cout << sum;   
		return 0;
}