#include <iostream>
#include <cstring>

using namespace std;

const int N = 300;

char res[N];

int main(void)
{
    string src;

    // cin >> src;
    getline(cin, src);
    int index = 0;
    for (int i = 0; i < src.size(); i++) {
        res[index++] = src[i];
        res[index++] = ' ';
    }

    cout << res << endl;

    return 0;
}