Print_scanf.c

  while(side != 0){ 
    printf("Give room side(zero to quit):"); 
    scanf("%ld", &side); 
    area = Calc_Area(side); 
    if(area != 0){ 
      printf("\nArea with side of %ld m is %ld sqr m\n",side,area); 
    } else { 
      printf("\n Size cannot exceed 25 meters\n"); 
    } 
  }