michael@0: function trees() {
michael@0:   var i = 0, o = [0,0,0];
michael@0:   for (i = 0; i < 100; ++i) {
michael@0:     if ((i & 1) == 0) o[0]++;
michael@0:     else if ((i & 2) == 0) o[1]++;
michael@0:     else o[2]++;
michael@0:   }
michael@0:   return String(o);
michael@0: }
michael@0: assertEq(trees(), "50,25,25");