#include <iostream>
#include <cstring>
int main()
{
using namespace std;
char *ch = new char[1000];
int i = 0;
cin>>ch;
for(i=strlen(ch)-1;i>=0;i--)
{
cout<<ch[i];
}
delete [] ch;
return 0;
}
#include <cstring>
int main()
{
using namespace std;
char *ch = new char[1000];
int i = 0;
cin>>ch;
for(i=strlen(ch)-1;i>=0;i--)
{
cout<<ch[i];
}
delete [] ch;
return 0;
}