#include <stdio.h>
void charSwap(char** a, char** b){
    char *c = *a;
         *a = *b;
         *b = c;
}
void hello(){
    char a,b;
    int i;
    printf("A = ");
    scanf("%c",&a);
    //getchar();
    printf("B = ");
    scanf("%c",&b);
    //getchar();
    if(a>b) charSwap(&a,&b);
    for (i=a;i<=b;i++)
    {
        printf("\n%c : %d , %X",i,i,i);
    }
}
int main(){
    hello();
    return 0;
}