/*
 * logicand.c
 */
#include <stdio.h>
#include <ctype.h>

int lowercase(char); // prototype: takes char, returns int
int digit(char); // prototype: takes char, returns int

int main(void)
{
  char cc; // declare char
  int words, lower, upper, num, other; // declare 5 ints
  
  words=lower=upper=num=other=0; // initialize all ints to 0

  while( (cc=getchar() ) != EOF) // get character from stdin
                                 // assign to cc
                                 // evaluate: is value of cc not EOF
                                 // Ture, do block
  {

    if ( isspace(cc) ) // does cc is a space, do block
    {
      words++; // increment words
      continue; // go to next iteration of while loop 
    }

    if ( isalpha(cc) ) // If cc contains alpha numeric value, do block
    {
      if ( lowercase(cc) ) // does cc is a lowercase, do block
      {
        lower++; // increment lower
        continue; // go to next iteration of while loop 
      }
      else // does cc is a uppercase, do block
      {
        upper++; // increment lower
        continue; // go to next iteration of while loop 
      }
    }

    if ( digit(cc) )  // if cc contains a digit, do block
    {
      num++; // increment num
      continue; // go to next iteration of while loop
    }
    other++;
  } // end while loop

  printf("\nThe input consisted of:\n");
  printf("%d words\n", words);
  printf("%d lower case letters\n", lower);
  printf("%d upper case letters\n", upper);
  printf("%d digits\n", num);
  printf("%d miscelaneous characters\n", other);

  return 0;
}

// Functions 
int lowercase(char dd)
{
  if( (dd>='a') && (dd<='z') ) // if value of dd is between the ascii values of aa and zz, do block
  {
    return 1;
  }
  else
  {
    return 0;
  }    
}    

int digit(char dd)
{
  if( (dd<='0') && (dd<='9') ) // if value of dd is btween ascii values of 0 and 9, do block
  {
    return 1;
  }
  else 
  {
    return 0;
  }
}