#include<bits/stdc++.h> using namespace std; char a[30000000]; int main(){ long long n; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=n;i++) { int len=strlen(a[i]) if(len%2==0) cout<<"even"<<endl; else cout<<"odd"<<endl; } return 0; }