#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int stx, sty, px, py;
bool v[10][10][10][10][5][5];
char a[50][50];
int dx[] = { -1,0,1,0 };
int dy[] = { 0,1,0,-1 };
void func1() {
	for (int i = 0; i < 10; i++) {
		for (int j = 0; j < 10; j++) {
			if (a[i][j] == 'C') {
				px = i, py = j;
			}
			else if (a[i][j] == 'F') {
				stx = i, sty = j;
			}
		}
	}
}
int check(int x,int y) {
	if (x >= 0 && y >= 0 && a[x][y] != '*' && x < 10 && y < 10)return 1;
	return 0;
}
int main() {
	int ans = 0;
	for (int i = 0; i < 10; i++) {
		cin >> a[i];
	}
	func1();
	int tx = 0, ty = 0, k1 = 0, k2 = 0;
	while (1) {
		if (stx == px && sty == py) {
			cout << ans << endl;
			return 0;
		}
		if (v[stx][sty][px][py][tx][ty])
		{
			printf("0");
			return 0;
		}
		v[stx][sty][px][py][tx][ty] = 1;
		if (check(stx + dx[tx], sty + dy[tx])==0) 
			tx = (tx + 1) % 4;
		else 
			stx += dx[tx], sty += dy[tx];
		if (check(px + dx[ty], py + dy[ty])==0)
			ty = (ty + 1) % 4;
		else
			px += dx[ty], py += dy[ty];
		ans++;
	}
}