#include <iostream>
#include <stdio.h>
using namespace std;
FILE *f,*g;
int main()
{
    char c;
    f=fopen("input.in","r");
    g=fopen("output.out","w");
    while(!(feof(f)))
    {
        fscanf(f,"%c",&c);
        if(c==',')
        {
            fprintf(g," ");
        }
        if((c!='-')&&(c!='.'))
        {
            fprintf(g,"%c",c);
        }
    }
    return 0;
}