#include<iostream>
using namespace std ;
int main()
{
    char a[20][20] , c , f ;
    int x1 , y1 , x2 , y2 , ans = 0 , dx[4] = { -1 , 0 , 1 , 0 } , dy[4] = { 0 , 1 , 0 , -1 };

    for( int i = 0 ; i < 10 ; i ++ )
        for( int j = 0 ; j < 10 ; j ++ )
        {
            cin >> a[i][j] ;
            if( a[i][j] == 'C')
            {
                x1 = i ; 
                y1 = j ; 
            }

            else if( a[i][j] == 'F' )
            {
                x2 = i ;
                y2 = j ;

            }
        }

    for( int dc = 0 ,df = 0 ; ans < 160000 ; )
    {
    if(a[x1+dx[dc]][y1+dy[dc]]=='*'||x1+dx[dc]<0||x1+dx[dc]>9||y1+dy[dc]<0||y1+dy[dc]>9)
            dc = ( dc + 1 ) % 4 ; 


        else 
        {
            x1 = x1 + dx[dc] ;
            y1 = y1 + dy[dc] ;
        }


    if(a[x2+dx[df]][y2+dy[df]]=='*'||x2+dx[df]<0||x2+dx[df]>9||y2+dy[df]< 0||y2+dy[df]>9)
            df = ( df + 1 ) % 4 ;

        else
        {
            x2 = x2 + dx[df] ;
            y2 = y2 + dy[df] ;
        }

        if( x1 == x2 && y1 == y2)
        {
            cout << ++ans ;
            return 0 ;
        }
        else ans ++ ;
    }
    cout << 0 ;
    return 0 ;
}