import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
//差值亏两百的数
ArrayList<M> a1=new ArrayList<M>();
//差值挣800多的数
ArrayList<M> a2=new ArrayList<M>();
for(int i=1000;i<=9999;i++){
String s=i+"";
if(judge(s,'3')||judge(s,'4')||judge(s,'7')){
continue;
}
String x=reversal(s);
if(x.length()!=4){
continue;
}
int y=Integer.parseInt(x);
M m=new M();
if(i-y>200&&i-y<300){
m.initial=i;
m.dispose=y;
m.value=i-y;
a1.add(m);
}else if(i-y>-900&&i-y<-800){
m.initial=i;
m.dispose=y;
m.value=i-y;
a2.add(m);
}
}
/*for(int i=0;i<a1.size();i++){
System.out.println(a1.get(i).initial+","
+a1.get(i).dispose+","+a1.get(i).value);
}
System.out.println("================================");
for(int i=0;i<a2.size();i++){
System.out.println(a2.get(i).initial+","
+a2.get(i).dispose+","+a2.get(i).value);
}*/
for(int i=0;i<a1.size();i++){
for(int j=0;j<a2.size();j++){
if(a1.get(i).value+a2.get(j).value==-558){
System.out.println(a1.get(i).initial);
break;
}
}
}
}
public static String reversal(String s){
//将字符串反转,注意6和9的替换
String x="";
for(int i=s.length()-1;i>=0;i--){
char c=' ';
if(s.charAt(i)=='6'){
c='9';
}else if(s.charAt(i)=='9'){
c='6';
}else{
c=s.charAt(i);
}
x=x+c;
}
return x;
}
public static boolean judge(String s,char c){
//判断字符串中是否含有c字符
for(int i=0;i<s.length();i++){
if(s.charAt(i)==c){
return true;
}
}
return false;
}
}
class M{
int initial;//初始值
int dispose;//翻转值
int value; //差值
}