#include<stdio.h> 
#include<math.h>

int main()
{

    int a[5][5],b[5][5],c[5][5],i,j,m,n,p,q,k;

    printf("Enter no. of rows & colomns of first matrix\n");
        scanf("%d%d",&m,&n);
    printf("Enter no. of rows & colomns of second matrix\n");
        scanf("%d%d",&p,&q);

    if(n!=p)
    {
        printf("Matrix multiplication is not possible");
        exit(0);
    }
    printf("Enter elements into first matrix\n");
    
    for(i=1; i<=m; i++)
    {
        for(j=1; j<=n; j++)
        {
            scanf("%d",&a[i][j]);
        }
    }
    
    printf("Enter elements into second matrix\n");
    for(i=1; i<=p; i++)
    {
        for(j=1; j<=q; j++)
        {
            scanf("%d",&b[i][j]);
        }
    }
    
    for(i=1; i<=m; i++)
    {
        for(j=1; j<=q; j++)
        { 
         c[i][j]=0;
        
        for(k=1;k<=p;k++)
        {
            c[i][j]= c[i][j] + a[i][k]*b[k][j];
        }
        }
    }
    printf("The Matrix multiplication is:\n");
    for(i=1; i<=m; i++)
    {
        for(j=1; j<=q; j++)
        {
            printf("%d\t",c[i][j]);
        }
        printf("\n");
    }
    
    return 0;
}
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut:

Enter no. of rows & colomns of first matrix 2 2 Enter no. of rows & colomns of second matrix 2 3 Enter elements into first matrix 1 2 3 4 Enter elements into second matrix 1 2 3 4 5 6 The Matrix multiplication is: 9 12 15 19 26 33