#include <stdio.h>

int main()
{
    int m, n, p, q, c, d, k, sum = 0;
    int first[10][10], second[10][10], multiply[10][10];
    printf("Enter the number of rows and columns of first matrix\n");
    scanf("%d%d", &m, &n);
    printf("Enter the elements of first matrix\n");
    for (  c = 0 ; c < m ; c++ )
        for ( d = 0 ; d < n ; d++ )
            scanf("%d", &first[c][d]);
    printf("Enter the number of rows and columns of second matrix\n");
    scanf("%d%d", &p, &q);
    if ( n != p )
        printf("Matrices with entered orders can't be multiplied with each other.\n");
    else
        {
            printf("Enter the elements of second matrix\n");
            for ( c = 0 ; c < p ; c++ )
                for ( d = 0 ; d < q ; d++ )
                    scanf("%d", &second[c][d]);
            for ( c = 0 ; c < m ; c++ )
                {
                    for ( d = 0 ; d < q ; d++ )
                        {
                            for ( k = 0 ; k < p ; k++ )
                                {
                                    sum = sum + first[c][k]*second[k][d];
                                }
                            multiply[c][d] = sum;
                            sum = 0;
                        }
                }
            printf("Product of entered matrices:-\n");
            for ( c = 0 ; c < m ; c++ )
                {
                    for ( d = 0 ; d < q ; d++ )
                        printf("%d\t", multiply[c][d]);
                    printf("\n");
                }
        }
    return 0;
}