#include <iostream>

using namespace std;

string poile[10][7];

bool match(string zn[7], int index) {
	for (int i = 0; i < 7; i++) {
		for (int j = 0; j < 5; j++) {
			if (zn[i][j] == poile[index][i][j] || zn[i][j] == '.') {
				continue;
			}
			return false;
		}
	}
	return true;
}

int main() {
    // digit, radek

    poile[0][0] = "+---+";
    poile[0][1] = "|   |";
    poile[0][2] = "|   |";
    poile[0][3] = "+   +";
    poile[0][4] = "|   |";
    poile[0][5] = "|   |";
    poile[0][6] = "+---+";

    poile[1][0] = "    +";
    poile[1][1] = "    |";
    poile[1][2] = "    |";
    poile[1][3] = "    +";
    poile[1][4] = "    |";
    poile[1][5] = "    |";
    poile[1][6] = "    +";

    poile[2][0] = "+---+";
    poile[2][1] = "    |";
    poile[2][2] = "    |";
    poile[2][3] = "+---+";
    poile[2][4] = "|    ";
    poile[2][5] = "|    ";
    poile[2][6] = "+---+";

    poile[3][0] = "+---+";
    poile[3][1] = "    |";
    poile[3][2] = "    |";
    poile[3][3] = "+---+";
    poile[3][4] = "    |";
    poile[3][5] = "    |";
    poile[3][6] = "+---+";

    poile[4][0] = "+   +";
    poile[4][1] = "|   |";
    poile[4][2] = "|   |";
    poile[4][3] = "+---+";
    poile[4][4] = "    |";
    poile[4][5] = "    |";
    poile[4][6] = "    +";

    poile[5][0] = "+---+";
    poile[5][1] = "|    ";
    poile[5][2] = "|    ";
    poile[5][3] = "+---+";
    poile[5][4] = "    |";
    poile[5][5] = "    |";
    poile[5][6] = "+---+";

    poile[6][0] = "+---+";
    poile[6][1] = "|    ";
    poile[6][2] = "|    ";
    poile[6][3] = "+---+";
    poile[6][4] = "|   |";
    poile[6][5] = "|   |";
    poile[6][6] = "+---+";

    poile[7][0] = "+---+";
    poile[7][1] = "    |";
    poile[7][2] = "    |";
    poile[7][3] = "    +";
    poile[7][4] = "    |";
    poile[7][5] = "    |";
    poile[7][6] = "    +";

    poile[8][0] = "+---+";
    poile[8][1] = "|   |";
    poile[8][2] = "|   |";
    poile[8][3] = "+---+";
    poile[8][4] = "|   |";
    poile[8][5] = "|   |";
    poile[8][6] = "+---+";

    poile[9][0] = "+---+";
    poile[9][1] = "|   |";
    poile[9][2] = "|   |";
    poile[9][3] = "+---+";
    poile[9][4] = "    |";
    poile[9][5] = "    |";
    poile[9][6] = "+---+";

    while (cin) {
	string poile2[4][7];
	string line;
	for (int i = 0; i < 7; i++) {
		getline(cin, line);
		if (line == "end") goto tam;

		poile2[0][i] = line.substr(0,5);
		poile2[1][i] = line.substr(7,5);
		poile2[2][i] = line.substr(17,5);
		poile2[3][i] = line.substr(24,5);
	}
	getline(cin, line);
	getline(cin, line);

	for (int i = 0; i < 4; i++) {
		int res = -1;
		for (int j = 0; j < 10; j++) {
			if (match(poile2[i], j)) {
				if (res == -1) res = j;
				else goto sem;
			}
		}
		cout << res;
		if (i == 1) cout << ":";
	}
	cout << endl;
	continue;
sem:
	cout << "ambiguous" << endl;
    }
tam:
    cout << "end" << endl;	
    return 0;
}