#include <iostream>
using namespace std;
int main()
{
    char string1[256], temp[256];
    cin.getline (f,256);
    char *string2[256];
    int i, j, m;
    i = 0;
    j = 0;
    for(j; string1[i] != '\0'; j++)
    {
        m = 0;
        if(temp[i] == '\0')
            i++;
        do
        {
            temp[m] = string1[i];
            m++;
            i++;
        }
        while((f[i] != ' ') || (f[i] != '\0'));
        temp[m] = '\0';
        cout << temp << endl;
        string2[j]  = temp;
        cout << string2[j] << endl;
    }
}