在线Oj

import java.util.Scanner;
public class Main{
    public static void main (String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            int n = Integer.parseInt(sc.nextLine());
            for(int i=0; i<n; i++) {
                StringBuilder sb = new StringBuilder(sc.nextLine());
                函数部分
                System.out.println(sb.toString());
            }  
        }
        sc.close();
    }
}