#include <stdio.h>
#include <ctype.h>
#include <string.h>


int main(void)
{
	char palindrome[80];
	int ispalindrome=1;/*boolean value True*/
	int i=0;
	int j=0;
	void remove_newline( char* input );


 /* get the user input */
  printf("Enter a word or sentence that is no more than 80 characters ");

  fgets(palindrome,80,stdin);

	   void  remove_newline( char* palindrome ){
       char* p = 0 ;
	   if( p = strrchr( palindrome, '\n' ) )
       *p = '\0' ;
}
 int string_length=strlen(palindrome);
 if(palindrome[string_length-1]=='?'||palindrome[string_length-1]=='!'
	 ||palindrome[string_length-1]=='.'){
   
	j=string_length-1;
	i = 0;

    while((i <= j && ispalindrome && isalpha(i) && isalpha(j) )){
	if(tolower (palindrome[i]) != tolower(palindrome[j])) {
      ispalindrome = 0;
	}
	i++;
	j--;
	}
	if(ispalindrome) {
    printf("%s is a palindrome!\n", palindrome);/* here i am supposed to print a histogram with number frequency but 'll ask later*/  }
  else {
    printf("sorry, %s is not a palindrome\n", palindrome);
  }
 } 
 else{
printf("Enter a word or sentence that is no more than 80 characters ");

  fgets(palindrome,80,stdin);
 }
 
  return 0;
}