#include<bits/stdc++.h> using namespace std; int a [11] [11],n , sum = 0; void dfs ( int x , int y ){ if(x > 10 || x < 0 || y > 10 || y < 0 || a [x] [y] == 1)return; a [x] [y] = 1 ; dfs ( x + 1 , y ) ; dfs ( x - 1 , y ) ; dfs ( x , y + 1 ) ; dfs ( x , y - 1 ) ; return ; } int main ( ){ for( int i=1;i<=10;i++)for( int j = 1 ; j <= 10 ; j ++ )cin >> a [i] [j]; dfs ( 0 , 0 ) ; for(int i=1;i<=10;i++)for(int j=1;j <= 10 ; j ++)if ( ! a [i] [j] )sum ++; cout << sum; return 0 ; }