[0,1,3,6,6,7,9,12,12,13,15,18,18,19,21,24,24,25,
 27,30,30,31,33,36,36,37,39,42,42,43,45,48,48,49,
 51,54,54,55,57,60,60,61,63,66,66,67,69,72,72,73,
 75,78,78,79,81,84,84,85,87,90,90,91,93,96,96,97,
 99,102,102,103,105]