import java.util.Scanner;

public class Main {
    public static void main(String[] args){

        Scanner scanner=new Scanner(System.in);
        int line=scanner.nextInt();
        for (int i=0;i<line;i++) {
            fix(scanner.next());
        }
    }

    public static void fix(String line){
        char lastChar='\n';
        boolean doubleChar=false;
        boolean linkChar=false;
        for (char c:line.toCharArray()){
            if (c==lastChar){
                if (doubleChar){
                    continue;
                }else {
                    if (linkChar){
                        continue;
                    }else {
                        doubleChar=true;
                    }
                }
            }else {
                linkChar=doubleChar;
                doubleChar=false;
            }
            lastChar=c;
            System.out.print(c);
        }
        System.out.println();

    }
}

我的，扫一遍，记录两个状态就行了