#include <iostream>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <string>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <algorithm>
#include <functional>

using namespace std;

int gcd( int, int );

int main()
{
	char str[21];

	while ( fgets( str, sizeof( str ), stdin ) )
	{
		for ( int i = strlen( str ) - 2; 0 <= i; i-- )
		{
			putchar( str[i] );
		}
		putchar('\n');
		puts("");
	}

	return 0;
}