#include <bits/stdc++.h> using namespace std; #define ll long long #define pll pair<ll,ll> #define pii pair<int,int> #define fs first #define sc second int main(){ ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); string a,b; cin>>a>>b; if(a.back() == '0'||b.back() == '0')cout<<"Even\n"; else cout<<"Odd\n"; return 0; }