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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int nextInt = scanner.nextInt();
for (int i = 10000; i < 999999; i++) {
if (i<=99999) {
if ((i/10000)==(i%10)&&(i/1000%10)==(i/10%10)&&((i/10000)+i/1000%10+i/100%10+i/10%10+i%10)==nextInt) {
System.out.println(i);
}
}
if (i>=100000) {
if ((i/100000)==(i%10)&&(i/10000%10)==(i/10%10)&&(i/1000%10)==(i/100%10)&&(i/100000)+(i/10000%10)+(i/1000%10)+(i/100%10)+(i/10%10)+(i%10)==(nextInt)) {
System.out.println(i);
}
}
}
}
}