import java.util.Scanner;
public class selectionSort
{
private static int[] b;
private static String[] arr;
private static String f;
public static String[] select()
{
Scanner input = new Scanner(System.in);
f = input.next();
String[] arr = f.split(",");
return arr;
}
public static int[] seel(String[] arr)
{
int[] a = new int[arr.length];
int c = 0;
for(String i : arr)
{
a[c] = Integer.parseInt(arr[c]);
c+=1;
}
return a;
}
public static int getMin(int[] arr)
{
int min= arr[0];
for(int i = 1;i < arr.length; i++)
{
if (min> arr[i])
{
min= arr[i];
}
}
return min;
}
public static void main(String[] args)
{
String[] d = select();
for(String c:d)
{
System.out.println(c);
}
}
}