#include <iostream>
#include<algorithm>
#include<vector>
using namespace std;
int main(){
string str;
getline(cin, str);
vector<int> vec;
for(int i=0; i<str.length(); i++){
if(isdigit(str[i])){
vec.push_back(str[i] - '0');
}
}
int max = *max_element(vec.begin(), vec.end());
if(max%2==0){
cout << max << " is even";
} else {
cout <<max<< " is odd";
}
return 0;
}