Programming

#include<stdio.h>
#include<stdlib.h>

int **A;
int **B;

int main(int argc,char *argv[])
{
    printf("name of text : %s\n",argv[1]);
//read arrays
  int i,j;
  int l,m;
  int M,n;
  FILE *fp;
  fp=fopen(argv[1],"r");
  fscanf(fp,"%d",&l);printf("%d\n",l);
  fscanf(fp,"%d",&m);printf("%d\n",m);	
  A=malloc(l*sizeof(int*));
  for(i=0;i<l;i++){A[i]=malloc(m*sizeof(int));}
  for(i=0;i<l;i++)
  {
    for(j=0;j<m;j++)
    {
      fscanf(fp,"%d",&A[i][j]);	      
    }
  }
  fscanf(fp,"%d",&M);printf("%d\n",M);
  fscanf(fp,"%d",&n);printf("%d\n",n);
  B=malloc(M*sizeof(int*));
  for(i=0;i<M;i++){B[i]=malloc(n*sizeof(int));}
  for(i=0;i<M;i++)
  {
    for(j=0;j<n;j++)
    {
      fscanf(fp,"%d",&B[i][j]);	      
    }    
  }
  fclose(fp);
//print arrays
  printf("A matrix:\n");
	for(i=0;i<l;i++)
	{
		for(j=0;j<m;j++)
		{
		  printf("%d\t",A[i][j]);
		}
		printf("\n");
	}
	printf("B matrix:\n");
	for(i=0;i<M;i++)
	{
	  for(j=0;j<n;j++)
	  {
		  printf("%d\t",B[i][j]);
	  }
	  printf("\n");
	}
}