#include <iostream>
#include<cmath>
#include<ctime>
#include<string>
#include <iomanip>
#include <fstream>

using namespace std;


bool  isConsecutiveFour(int values[][7]) {

    // checking rows
    for (int i = 0; i < 6; i++) {
       
        int current = values[i][0];
        int consecutiveCount = 0; // values[i][0] starts count

        for (int j = 0; j < 7; j++) {
            
            if (values[i][j] == current) {
                consecutiveCount++;
                if (consecutiveCount == 4) return true;
            }
            else {
                current = values[i][j];
                consecutiveCount = 1;
            }
        }
    }
    // check columns
    for (int j = 0; j < 7; j++) {
        
        int consecutiveCount = 0; // values[0][j] starts count
        int current = values[0][j];

        for (int i = 0; i < 6; i++) {

            if (values[i][j] == current) {
                consecutiveCount++;
                if (consecutiveCount == 4) return true;
            }
            else {
                current = values[i][j];
                consecutiveCount = 1;
            }

        }
    }

    // check topLeft side: going upright
    for (int i = 6 - 1; i > 0; i--) {
        int y = i;
        int x = 0;
        int consecutive = 0;
        int current = values[y][x];

        while (y >= 0) {
           
            if (values[y][x] == current) {
                consecutive++;
                if (consecutive == 4) return true;
            }
            else {
                consecutive = 1;
                current = values[y][x];
            }
            x++;
            y--;
        }
    }

    // check bottom right side: going upright
    for (int j = 0; j < 7; j++) {
        int y = 6 - 1;
        int x = j;
        int consecutive = 0;
        int current = values[y][x];

        while (x < 6 && y >= 0) {
            
            if (values[y][x] == current) {
                consecutive++;
                if (consecutive == 4) return true;
            }
            else {
                consecutive = 1;
                current = values[y][x];
            }
            x++;
            y--;
        }

    }

    // check bottom left side going up-left
    for (int j = 7 - 1; j > 0; j--) {

        int x = j;
        int y = 6 - 1;
        int current = values[y][x];
        int consecutiveCount = 0;

        while (x >= 0 && y >= 0) {

            if (values[y][x] == current) {
                consecutiveCount++;
                if (consecutiveCount == 4) return true;
            }
            else {
                consecutiveCount = 1;
                current = values[y][x];
            }

            x--;
            y--;
        }
    }
    // check bottom right side going up-left
    for (int row = 1; row < 6; row++) {
        int x = 7 - 1;
        int y = row;
        int consecutive = 0;
        int current = values[y][x];

        while (y >= 0) {
            
            if (values[y][x] == current) {
                consecutive++;
                if (consecutive == 4) return true;
            }
            else {
                consecutive = 1;
                current = values[y][x];
            }
            x--;
            y--;
        }

    }
    return false;
}






// Driver code
int main()
{
    int m[6][7];
    for (int i = 0; i < 6; i++)
        for (int j = 0; j < 7; j++)
            cin >> m[i][j];
    if (isConsecutiveFour(m) == true)
        cout << "true";
    else 
        cout << "false";
  
}