everydelay> I;
--- Output:
everydelay> I;
--- Output:
everydelay> ;
--- Output:
everydelay> ;
--- Output:
everydelay> I;
--- Output: O
everydelay> ;
--- Output:
everydelay> I;
--- Output:
everydelay> I;
--- Output: O
everydelay> I;
--- Output:
everydelay> ;
--- Output: