#include <iostream>
#include <cstring>
using namespace std;
char a[103];
int main()
{
    cin.getline(a,103);
    int d = strlen(a);
    for(int i=0;i<d;i++)
    {
        if(a[i] == '-' || a[i] =='.')
            continue;
        if(a[i] == ',')
            cout<<' ';
        cout<<a[i];
    }
    return 0;
}