#include <stdio.h>

#define N 3
#define M 3

int getMaxNeighbourSum(int matrix[N][M], int row, int col) {
    int maxSum = 0;
    int i, j;

    for (i = row - 1; i <= row + 1; i++) {
        for (j = col - 1; j <= col + 1; j++) {
            if (i >= 0 && i < N && j >= 0 && j < M && !(i == row && j == col)) {
                maxSum = (matrix[i][j] > maxSum) ? matrix[i][j] : maxSum;
            }
        }
    }

    return maxSum;
}

int main() {
    int matrix[N][M] = {
        {1, 2, 3},
        {4, 5, 6},
        {7, 8, 9}
    };

    int maxNeighbourSum = getMaxNeighbourSum(matrix, 1, 1);

    printf("Максималният сбор на околните числа е: %d\n", maxNeighbourSum);

    return 0;
}