C

#include <iostream>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <vector>
#include <queue>
#include <cstring>
#include <string>
#include <fstream>

using namespace std;

int main()
{
  int k,f,kn;
  string s;
  while( getline(cin,s) ){
    int i=0;
    while( i<s.length()){
         k=0;
         f=0;
         kn=0;
        while((96<s[i]&&s[i]<123 ||64<s[i]&&s[i]<91) && i<s.length()){
            if(f==0){
                f=1;
                kn=i;
            }
            k++;
            i++;
        }
        int schet=0;
        for(int j=kn;j<kn+k/2;j++){
            char r=s[j];
            schet++;
            s[j]=s[kn+k-schet];
            s[kn+k-schet]=r;

        }
        i++;
    }

    cout<<s<<endl;
    }





  return 0;
}