#include <iostream>
#include <vector>
using namespace std;

int main(){
    vector<string> str(100);
    int j = 0;
    string ss;
    getline(cin, ss);
    for(int i = 0; i < ss.size(); ++i){
        if(!isalpha(ss[i]))
            continue;
        while(isalpha(ss[i]))
            str[j] += ss[i++];
        j++;
    }
    for(int i = j - 1; i >= 0; --i)
        cout << str[i] << ' ';
}