#include <iostream.h>
#include <string.h>
void main()
{char sep[]="' '";
char a[100],*p,b[10];
int i,nrc,l;
cin.get(a,100);
p=strtok(a,sep);
while (p)
      {nrc=0;
      strcpy(b,p);
      l=strlen(b);
      for (i=0;i<l;i++)
  if (b[i]!='a'||b[i]!='e'||b[i]!='i'||b[i]!='o'||b[i]!='u') nrc++;
      if (nrc==1) 
  cout<<b<<endl;
      p=strtok(NULL,sep);

      }

}