#include<stdio.h>
#include<string.h>
int main()
{
	int i,j,k,n,L;
	char ch[100],st[100],g[260],c;
	int f[260];
	while(gets(ch)!=NULL)
	{
		L=strlen(ch);    
		while(ch[L-1]==' ') {  ch[L-1]='\0'; L--;}
		  
		L=strlen(ch);  
		k=0;
		for(i=0;i<=250;i++) f[i]=g[i]=0;
	
		g['A']=g['E']=g['I']=g['O']=g['U']=1;
		k=-1;     
		for(i=0;i<L;i++)
		{         
			if(g[ch[i]]) continue;  
			if(ch[i]>='A'&&ch[i]<='Z')
			{
				if(f[ch[i]]==1) continue;
				f[ch[i]]=1;
				k++; st[k]=ch[i]; 
			}
			else 
			{ 
				if(k>=0)
				{
					if(ch[i]==' '&&st[k]==' ')  continue; 
					if(ch[i]==','||ch[i]=='.'||ch[i]=='?')
						while(st[k]==' ') k--;
				
				}
				if(ch[i]==' '&&(i==0||i==L-1)) continue;
				k++;  
				st[k]=ch[i];  //printf("_=%c",ch[i]);
				 
			}
			
		}//for L

		c=st[k];//  printf("c=%c\n",c);
		while(st[k-1]==' ')  { k--;}
		st[k]=c;
		st[k+1]='\0';
		printf("%s\n",st);

	}//while
	return 0;
}


/*
Sample Input 


NOW IS THE TIME FOR ALL GOOD MEN TO COME TO THE AID OF THEIR COUNTRY.



Sample Output 


NW S TH M FR L GD C Y.

MADAM_I_SAY_I_AM_ADAM__  
MD_SY
*/