
class Solution {
public String solution(String rsp) {
String answer = "";
for (int i = 0; i < rsp.length(); i++) {
char c = rsp.charAt(i);
if(c=='2') {
answer += "0";
} else if (c =='0'){
answer += "5";
} else if (c =='5'){
answer += "2";
}
}
return answer;
}
}