// Compiled with: g++ -Wall -std=c++14 -pthread

#include <iostream>

using namespace std;

string myReverse(string word){//el
    string reversedWord = "";

    for(int i=word.length()-1; i>=0; i--){
         reversedWord+=word[i];
    }
    return reversedWord;//le
}

int main(){
    string inputString = "mo as   el ";
    bool spaceAdded = false;
    if(inputString[inputString.length()-1] != ' '){
        inputString += " ";
        spaceAdded = true;
    }

    int prevSpace=0, nextSpace = 0;
    string output = "";
    if(inputString.find(" ") == -1){//The string have only one word
     output += myReverse(inputString);
    }else{

        while (nextSpace != -1){
             prevSpace = nextSpace;//0 2 5 6 7
             nextSpace = inputString.find(" ", nextSpace)+1;//2 5 6 7 10
            if(nextSpace - prevSpace > 1){//If
                 string word = inputString.substr(prevSpace, nextSpace-prevSpace);
                 output += myReverse(word);
                 output += " ";//om sa le
            }
        }
    }
    if(spaceAdded){
        output.erase(output.length()-1);
    }
    cout << output << endl;
    return 0;
}