const tries = gets();
let sorted = '';
for (i = 0; i < tries; i++) {
    let list = gets().split(',');
    for (j = 0; j < list.length - 1; j++) {
        if (list[j].localeCompare(list[j + 1]) == 1) {
            sorted = 'false';
        } else {
            sorted = 'true';
        }
    }
    print(sorted);
}