/* input exam.txt: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

output result.txt : 1,6,11 2,7,12 3,8,13 4,9,14 5,10,15

*/

public class Sample {

public static void main(String args[])  throws Exception   {

    BufferedReader br=new BufferedReader(new FileReader("exam.txt"));

    String line=br.readLine();
    br.close();
    String str="";
    if(line!=null) {
        String tokens[]=line.split(",");

        for(int i=0;i<5;i++) {
            int a=1;
            int k=i;
            for(int j=1;j<=3;j++){
                str+=tokens[k];
                k=k+5;
                if(a<=2)
                    str+=",";
                else
                    str+=" ";
                 a++;
            }
        }

    }
    BufferedWriter bw=new BufferedWriter(new FileWriter("result.txt"));
    bw.write(str);
    bw.close();

}

}