#include <bits/stdc++.h>
using namespace  std;
string s;
int  main( ) 
{   
    cin>>s;
    int x=s.size();
    cout<<x<<endl;
    cout<<s<<endl;
    for (int i=0;i<=s.size()-1;i++)
        cout<<s[i]<<' ';
    cout<<endl;
    for (int i=s.size()-1;i>=0;i--)
        cout<<s[i];
    return 0;
}