#include <stdio.h>
 
int main() {
    int a[10][10], b[10][10], result[10][10];
    int i, j, k;
    int rows1, cols1, rows2, cols2;
 
    // Input dimensions of first matrix
    printf("Enter number of rows and columns of first matrix: ");
    scanf("%d %d", &rows1, &cols1);
 
    // Input dimensions of second matrix
    printf("Enter number of rows and columns of second matrix: ");
    scanf("%d %d", &rows2, &cols2);
 
    // Check matrix multiplication condition
    if (cols1 != rows2) {
        printf("\nMatrix multiplication not possible! Columns of first must equal rows of second.\n");
        return 0;
    }
 
    // Input first matrix
    printf("\nEnter elements of first matrix:\n");
    for (i = 0; i < rows1; i++) {
        for (j = 0; j < cols1; j++) {
            scanf("%d", &a[i][j]);
        }
    }
 
    // Input second matrix
    printf("\nEnter elements of second matrix:\n");
    for (i = 0; i < rows2; i++) {
        for (j = 0; j < cols2; j++) {
            scanf("%d", &b[i][j]);
        }
    }
 
    // Initialize result matrix to zero
    for (i = 0; i < rows1; i++) {
        for (j = 0; j < cols2; j++) {
            result[i][j] = 0;
        }
    }
 
    // Perform matrix multiplication
    for (i = 0; i < rows1; i++) {
        for (j = 0; j < cols2; j++) {
            for (k = 0; k < cols1; k++) {
                result[i][j] += a[i][k] * b[k][j];
            }
        }
    }
 
    // Display resulting matrix
    printf("\nResultant Matrix (Product):\n");
    for (i = 0; i < rows1; i++) {
        for (j = 0; j < cols2; j++) {
            printf("%d\t", result[i][j]);
        }
        printf("\n");
    }
 
    return 0;
}