//No.536 人工知能
#include<iostream>
#include<string>
using namespace std;

int main()
{
	string S;
	cin >> S;
	if (S[S.length() - 1] == 'a'|| S[S.length() - 1] == 'A') {
		S[S.length() - 1] = 'A';
		S += 'I';
	}
	else if ((S[S.length() - 2] == 'a' || S[S.length() - 2] == 'A') && (S[S.length() - 1] == 'i' || S[S.length() - 1] == 'I')) {
		S[S.length() - 2] = 'A';
		S[S.length() - 1] = 'I';
	}
	else S += "-AI";
	cout << S<<endl;
	return 0;
}