def strReverse(s):

 lst = list(s)
 lst.reverse()
 ans = "".join(list(lst))
 return ans

s = str(input())
print(strReverse(s))

def strReverse(s):

 return s[::-1]

s = str(input())
print(strReverse(s))

#include<iostream>
#include<string>
using namespace std;

void strReverse(string s)
{
 int n = s.length();

 //逆序输出
 for(int i = n - 1; i >= 0; i--)
 {
  cout << s[i];
 }
 cout << endl;
}

int main()
{
 string str;
 cin  str;
 strReverse(str);

 return 0;
}