#include<stdio.h>
#include<string.h>
int main(){
char new_string[100];
char string[100];
scanf("%s",string);
printf("original_number = %s\n",string);
int i;
int l = strlen(string)-1;

for(i = 0; i<=l; i++){
 new_string[i] = string[l-i];
 printf("%c\n",new_string[i]);
    }
 new_string[i]='\0';   
 printf("rev_number = %s\n",new_string);
}