Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in C (judge verdict: Time Limit Exceeded)

#include <stdio.h>


int main(void) {
  char s[20]={};
  int i=0;
  while (scanf("%c", s[i++]) == !EOF);
  while(i-->=0)
  putchar(s[i]);
  putchar('\n');
  return 0;
 
}