#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[]){
int i,size;
char *tmp;
size = myStrlen(s);
tmp = (char *)malloc(sizeof(char)*(2*size+1));
if(tmp == NULL){
 printf("ERROR\n");
 return NULL;
}
 for(i=0;i<size;i++) tmp[i] = s[i];
 for(i=0;i<size;i++) tmp[i+size] = s[size-i-1];
 tmp[2*size] = '\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;
}
 

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