#include <stdio.h>

#define ROWS 3
#define COLS 3
#define NEW_ROWS 4
#define NEW_COLS 4

int main() {
    int arr[ROWS][COLS], new_arr[NEW_ROWS][NEW_COLS], i, j;

    printf("Enter the elements of the 3x3 matrix:\n");
    for (i = 0; i < ROWS; i++) {
        for (j = 0; j < COLS; j++) {
            scanf("%d", &arr[i][j]);
        }
    }

    // Copy the elements of the 3x3 matrix to the 4x4 matrix
    for (i = 0; i < ROWS; i++) {
        for (j = 0; j < COLS; j++) {
            new_arr[i][j] = arr[i][j];
        }
    }

    // Add the corresponding rows and columns
    for (i = 0; i < ROWS; i++) {
        new_arr[i][COLS] = 0;
        new_arr[ROWS][i] = 0;
        for (j = 0; j < COLS; j++) {
            new_arr[i][COLS] += arr[i][j];
            new_arr[ROWS][i] += arr[i][j];
            new_arr[ROWS][COLS] += arr[i][j];
        }
    }

    printf("The 4x4 matrix is:\n");
    for (i = 0; i < NEW_ROWS; i++) {
        for (j = 0; j < NEW_COLS; j++) {
            printf("%d ", new_arr[i][j]);
        }
        printf("\n");
    }

    return 0;
}