#include<iostream>
using namespace std;
int main(){
	string s;
	while(1){
		s="";cin>>s;
		int len=0;for(;s[len];len++);
		bool ends=0;if(s[len-1]=='.'){len--;s[len]=0;ends=1;}
		if(s[0]=='a'||s[0]=='e'||s[0]=='i'||s[0]=='o'||s[0]=='u'
		||s[0]=='A'||s[0]=='E'||s[0]=='I'||s[0]=='O'||s[0]=='U')
			cout<<s;
		else{for(int i=1;i<len;i++)cout<<s[i];cout<<s[0];}
		cout<<"ay";if(ends){cout<<'.';return 0;}else cout<<' ';
	}
}