#include<stdio.h>
#include<string.h>
//My Name is maher Ahmed i am a new student at leading university.batch 63 (c)
int main(){
    int T;
    scanf("%d",&T);
    for(int i=0;i<T;i++)
    {
        char S[105];
        scanf("%s",S);
        int n=strlen(S);
        while(n>1)
        {
            int j=0;
            //for skiping even postive
            for(int i=0;i<n;i=i+2)
            {
                S[j++]=S[i];
            }
            S[j]='\0';
            n=j;
        }
        printf("%s\n",strlwr(S));
    }
}