import java.util.*;
import java.util.Map.Entry;
public class Main {
public static void main(String[] args) {
Map<String, String> m = System.getenv();
Set<Entry<String, String>> s = m.entrySet();
Iterator<Entry<String, String>> its = s.iterator();
while (its.hasNext()){
Entry<String, String> e = its.next();
System.out.println(e.getKey()+" = "+e.getValue());
}
}
}