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

int main(void) {
	char str1[10];
	char str2[10] = "hello";
	
	fgets(str1,10, stdin);
	
	size_t l1 = strlen(str1);
	size_t l2 = strlen(str2);
	
	printf("length fgets:%ld\nlength const:%ld\nactually:\n", l1,l2);
	
	for(size_t i=0;i<l1;i++)
		printf("%c:%u\n", (str1[i]>'?')? str1[i]:'x', (unsigned int)str1[i]);
		
	return 0;
}