class change {
public int solution(String s) {
int answer = 0;
String[] num_word = new String[]{"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
for(int i =0; i<10; i++){
s= s.replaceAll(num_word[i], String.valueOf(i));
}
answer = Integer.parseInt(s);
return answer;
}
}