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

int myStrlen(char s[]){
    int i;
    for(i = 0; s[i] != '\0'; i++);
    return i;
}
char *setPalindrome(char s[]){
    char *tmp;
    int len, i;

    len = myStrlen(s);

    
    tmp = (char *)malloc((len + 1) * sizeof(char));

   
    for(i = 0; i < len; i++){
        tmp[i] = s[len - 1 - i];
    }

   
    tmp[len] = '\0';

    return tmp;
}
int main(){
    int i;
    char nyuryoku[1024]; 
    char *kaibun;        

    scanf("%s", nyuryoku);

    kaibun = setPalindrome(nyuryoku);

    printf("%s\n  -> %s\n", nyuryoku, kaibun);

    free(kaibun);

    return 0;
}