a.nhap

101,102,105,106,109,110,113,114,117,118,121,122,125,126,129,130,133,134,137,138,141,142,145,146, 149,150,153,154,157,158,161,162,165,166,169,170,173,174,177,178,181,182,185,186,189,190,193,194, 197,198

31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,9 7,99

3,4,7,8,1,2,5,6,9,0

23,24,27,28,21,22,25,26,29,20

5,6,9,0,3,4,7,8,1,2

15,16,19,10,13,14,17,18,11,12

25,26,29,20,23,24,27,28,21,22