#include<bits/stdc++.h>
using namespace std;
int main(){
	char a[21]={0};
	int o=0;
	cin>>a;
	for(int i=0;i<20;i++){
		if(a[i]=='i'||a[i]=='a'||a[i]=='e'||a[i]=='o'||a[i]=='u'){
		o++;
		cout<<i+1;}
	} 
	if(o==0){
		cout<<"0";
	}
	return 0;
}
/**************************************************************
	Problem: 1844
	User: panyuchen
	Language: C++
	Result: Wrong Answer
****************************************************************/