#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s1;
    getline(cin,s1);
    string k;
    for(int i=0;i<s1.size();i++)
    {
        if(s1[i] == ' ')
        {
            k = s1[i] + k;
        }
        else
        {
            k = k + s1[i];
        }
    }
    cout<<k;
}
/**************************************************************
	Problem: 1102
	User: wuyichen
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2076 kb
****************************************************************/