import java.util.Scanner;
import java.lang.String;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String str=sc.nextLine();
StringBuilder strbuilder=new StringBuilder();//StringBuilder是一个可变的字符序列
int size=str.length();
for(int i=0;i<size;i++)
{
int n=Integer.parseInt(String.valueOf(str.charAt(i)));
if(n%2==0)
{
strbuilder.append(0);
}else{
strbuilder.append(1);
}
}
str = strbuilder.toString();
System.out.println(Integer.parseInt(str));
}
}

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