import java.util.HashMap;

public class CyrilicConverter {
    public static String convertCyrilic(String message) {
        HashMap<Character, String> cyrilicToLatinMap = new HashMap<>();
        cyrilicToLatinMap.put(' ', " ");
        cyrilicToLatinMap.put('а', "a");
        cyrilicToLatinMap.put('б', "b");
        cyrilicToLatinMap.put('в', "v");
        cyrilicToLatinMap.put('г', "g");
        // ... (add the rest of the mappings)

        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < message.length(); i++) {
            char currentChar = message.charAt(i);
            if (cyrilicToLatinMap.containsKey(currentChar)) {
                builder.append(cyrilicToLatinMap.get(currentChar));
            }
        }
        return builder.toString();
    }

    public static void main(String[] args) {
        String cyrilicMessage = "абав гавб";
        String latinMessage = convertCyrilic(cyrilicMessage);
        System.out.println(latinMessage);
    }
}