#include <iostream>
#include <iomanip>
#include <map>
#include <vector>
#include <cmath>
#include <vector>
#include <algorithm>
#include <cmath>

using namespace std;

int letter(char c)
{
    return (('a'<=c&&c<='z')||('A'<=c&&c<='Z'));
}

int main()
{
    //freopen("a","r",stdin);
    string s;
    while(getline(cin,s))
    {
        vector<int> l,r;
        for (size_t i=0;i<s.length();i++)
        {
            if (letter(s[i]))
            {
                if (!i||!letter(s[i-1]))
                {
                    l.push_back(i);
                }
                if (i+1==s.length()||!letter(s[i+1]))
                {
                    r.push_back(i+1);
                }
            }
        }
        for (int i=0;i<l.size();i++)
        {
            reverse(s.begin()+l[i],s.begin()+r[i]);
        }
        cout << s << endl;
    }
    return 0;
}