son: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45,46,48,49,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,
72,74,75,76,77,78,80,81,82,84,85,86,87,88,90
91,92,93,94,95,96,98,99,100
