#include <stdio.h>
#include <string.h>

void func(char* s)
{
    while (strlen(s) > 1)
    {
        int j = 0;
        for (int i = 0; s[i] != '\0'; i += 2)
        {
            s[j++] = s[i];
        }
        s[j] = '\0';
    }
    printf("%s\n", s);
}

int main()
{
    int t;
    scanf("%d", &t);
    while (t--)
    {
        char S[105];
        scanf("%s", S);
       func(S);
    }
    return 0;
}