#include<stdio.h>
#define MAXLINE 1000
/*#define YES 1
#define NO 0  */


char process_line(char line[]);
main(void)
{
	char line[MAXLINE] ;
	gets(line);
	process_line(line);
	/*puts(line);*/
	system("pause");
	return 0;
}

char process_line(char buffer[])
{
	char c;
	char prev_c;
	char *ptr;

	int counter;

	ptr = buffer;
	prev_c =' ';
	c = *ptr;
	counter = 0;


	while (c != '\0')
	{
		if ((prev_c == 'c') && (c == 'd')) counter++;
		prev_c = *ptr;
		ptr++;
		c = *ptr;
	}
	printf("counter = %i\n", counter);
}