#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    getline(cin,s);
    string word="";
    for (int i=0;i<s;s.length();i++){
        if(s[i]!=''){
            word=s[i]+word;
        }else{
            cout<<word<<" ";
            word="";
        }
    }
    cout<<word;
    return 0;
}