#include<bits/stdc++.h>
using namespace std;
namespace kong{bool st;}
namespace zhu{
string fu[]={"q","w","r","t","y","p","s","d","f","g","h","j","k","l","z","c","v","b","n","m"};
string yuan[]={"a","e","i","o","u"};
string main(){
_timeb T;
_ftime(&T);
mt19937 ran(T.millitm+time(0)*1000);
int len=ran()%13+1,fl=ran()%2;
while(len--){
fl^=1;
if(fl==0){
cout<<fu[ran()%(sizeof(fu)/8)];
}
else{
cout<<yuan[ran()%(sizeof(yuan)/8)];
if(ran()%2){
cout<<yuan[ran()%(sizeof(yuan)/8)];
}
}
}
cout<<'\n';
return "???";
}
}
namespace kong{bool ed;double MB(){return (&st-&ed)/1048576.0;}}
signed main(){
cin.tie(0);cout.tie(0);
ios::sync_with_stdio(0);
cerr<<zhu::main()<<'\n'<<kong::MB()<<'\n';
}