dhananjay1438

string = input()

string = sorted(string)



upper_case = [x for x in string if x.isupper()]
upper_case = sorted(upper_case)

lower_case = [x for x in string if x.islower()]

dhananjay1438

#include <stdio.h>
#include <stdlib.h>

struct node {
	int data;
	struct node* left;
	struct node* right;
};
struct node* root = NULL;