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import java.util.Scanner;
public class ShuChu {
public static void main(String[]args)
{
Scanner keyboad = new Scanner(System.in);
System.out.println("请输入一个四位整数:");
int i= keyboad.nextInt();
int a=i/1000;
int b=i/100-10*a;
int c=i/10-a*100-b*10;
int d=i%10;
System.out.println(a+" "+b+" "+c+" "+d);
}
}