import java.util.Scanner;
public class Main {
public static void main(String[] args) throws IOException{
Scanner scan = new Scanner(System.in);
System.out.println("输入一个整数：");
int num = scan.nextInt();
char[] numChar = Integer.toString(num).toCharArray();
for(int i = 0;i System.out.println(numChar[i]);
}
}
}