#include <iostream>
#include <map>
using namespace std;

int main() {
	bool arr[9];
	bool t[9][9] = 
	{
		{0, 0, 0,
		 0, 1, 0,
		 0, 0, 0},
		{1, 0, 1,
		 0, 0, 0,
		 1, 0, 1},
		{0, 0, 0,
	 	 1, 0, 1,
		 0, 0, 0},
		{0, 1, 0,
		 0, 0, 0,
		 0, 1, 0},
		{1, 0, 1,
		 0, 1, 0,
		 1, 0, 1},
		{0, 0, 1,
		 0, 1, 0,
		 1, 0, 0},
		{1, 0, 0,
	 	 0, 1, 0,
		 0, 0, 1},
		{1, 0, 1,
		 1, 0, 1,
		 1, 0, 1},
		{1, 1, 1,
		 0, 0, 0,
		 1, 1, 1}
	};
	for (int i = 0; i < 3; i++) {
		string k;
		cin >> k;
		for (int j = 0; j < 3; j++) {
			arr[i*3 + j] = k[j] == 'o' ? true : false;
		}
	}
	bool found;
	for (int i = 0; i < 9; i++) {
		found = true;
		for (int j = 0; j < 9; j++) {
			if (arr[j] != t[i][j]) {
				found = false;
				break;
			}
		}
		if (found) {
			int count = 0;
			for (int j = 0; j < 9; j++) {
				if (arr[j]) count++;
			}
			cout << count << endl;
			return 0;
		}
	}
	cout << "unknown" << endl;
	return 0;
}




#include <iostream>

using namespace std;

int main2(int argc, char** argv) {
    map<char, int> valToRank;
    valToRank['2'] = 2;
    valToRank['3'] = 3;
    valToRank['4']=  4;
    valToRank['5']=  5;
    valToRank['6']=  6;
    valToRank['7']=  7;
    valToRank['8']=  8;
    valToRank['9']=  9;
    valToRank['10']= 10; // warn
    valToRank['J']= 10;
    valToRank['Q']= 10;
    valToRank['K']= 10;
    valToRank['A']= 10;
    char arr[5][2]; // num card
    for (int i = 0; i < 5; i++) {
        string k;
        cin >> k;
        arr[i][0] = k[0];
        arr[i][1] = k[1];
    }
    int total = 0;
    int last = 1;
    // ---
    for (int i = 0; i < 5; i++) {
        total += valToRank[arr[i][0]];
    }
    total++;
    int J = 0;
    for (int i = 0; i < 5; i++) {
        if (arr[i][0] == 'J') J++;
    }
    total += J * valToRank[arr[0][0]];
    int noSuits[4];
    noSuits[0] = 0;
    noSuits[1] = 0;
    noSuits[2] = 0;
    noSuits[3] = 0;
    map<char, int> su;
    su['D'] =  0;
    su['H'] = 1;
    su['C'] = 2;
    su['S'] = 3;
    
    return 0;
}