import java.io.*;
class mdae
{
public static void main(String[] args)throws IOException
{
InputStreamReader cr = new InputStreamReader(System.in);
BufferedReader in = new BufferedReader(cr);
int i, oy,l;
String s,q,ioo=" ";
char c,v;
s=in.readLine();
s=s.replaceAll("of","");
q=" "+s+" ";
l=q.length();
for(i=0;i<l-1;i++)
{
c=q.charAt(i);
if(c==' ')
{
for(oy=i;oy<=i+1;oy++)
{
v=q.charAt(oy);
if(v!=' ')
{
ioo=ioo+v;
}
}
}
}
System.out.print(ioo);
}
}
solved To convert a group of meaningful words in short form