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

int main() {
    char SBuff[256];
    char *ptr;
    int n, i, j;
    char c;

    while (cin.getline(SBuff, 256)) {
        ptr = strtok (SBuff, " ,.-");
        while (ptr != NULL) {
            n = strlen(ptr);
            i = 0;
            j = n-1;

            while(i < j) {
                c = ptr[i];
                ptr[i] = ptr[j];
                ptr[j] = c;

                i++;
                j--;
            }
            cout << ptr << " ";

            ptr = strtok(NULL, " ,.-");
        }
        cout << endl;
    }

    return 0;
}