import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;




public class test {


public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("请输入字符串:");
Scanner sc =new Scanner(System.in);
String str=sc.nextLine();

//List<String> list=new ArrayList<String>();

char ch;
//小写字母
String s1="";
for (int i = 0; i < str.length(); i++) {
ch=str.charAt(i);
if(ch>='a'&&ch<='z'){
s1+=ch+"";
}
else{
s1+=",";
}
}
String [] a=s1.split(",");
//大写字母
String s2="";
for (int i = 0; i < str.length(); i++) {
ch=str.charAt(i);
if(ch>='A'&&ch<='Z'){
s2+=ch+"";
}
else{
s2+=",";
}
}
String [] b=s2.split(",");
//数字
String s3="";
for (int i = 0; i < str.length(); i++) {
ch=str.charAt(i);
if(ch>='0'&&ch<='9'){
s3+=ch+"";
}
else{
s3+=",";
}
}
String [] c=s3.split(",");

//输出
for (String string : a) {
if(!string.equals("")){
System.out.print(string+" ");
}
}
for (String string : b) {
if(!string.equals("")){
System.out.print(string+" ");
}
}
for (String string : c) {
if(!string.equals("")){
System.out.print(string+" ");
}
}
//写入文件
FileWriter writer;
try {
writer = new FileWriter("E:/token.txt");
for (String string : a) {
if(!string.equals("")){
writer.write(string+" ");
}
}
for (String string : b) {
if(!string.equals("")){
writer.write(string+" ");
}
}
for (String string : c) {
if(!string.equals("")){
writer.write(string+" ");
}
}
writer.flush();
writer.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}