c2 = sparse(276,1);
c2(1)=1;
c2(2)=1;
c2(3)=1;
c2(4)=1;
c2(5)=1;
c2(6)=1;
c2(7)=1;
c2(8)=1;
c2(9)=1;
c2(10)=1;
c2(11)=1;
c2(12)=1;
c2(13)=1;
c2(14)=1;
c2(15)=1;
c2(16)=1;
c2(17)=1;
c2(18)=1;
c2(19)=1;
c2(20)=1;
c2(21)=1;
c2(22)=1;
c2(23)=1;
c2(24)=1;
c2(25)=1;
c2(26)=1;
c2(27)=1;
c2(28)=1;
c2(29)=1;
c2(31)=1;
c2(33)=1;
c2(35)=1;
c2(37)=1;
c2(38)=1;
c2(39)=1;
c2(41)=1;
c2(42)=1;
c2(43)=1;
c2(45)=1;
c2(47)=1;
c2(49)=1;
c2(51)=1;
c2(53)=1;
c2(55)=1;
c2(57)=1;
c2(59)=1;
c2(61)=1;
c2(63)=1;
c2(65)=1;
c2(66)=1;
c2(67)=1;
c2(69)=1;
c2(70)=1;
c2(71)=1;
c2(73)=1;
c2(75)=1;
c2(77)=1;
c2(78)=1;
c2(79)=1;
c2(80)=1;
c2(81)=1;
c2(82)=1;
c2(83)=1;
c2(84)=1;
c2(85)=1;
c2(87)=1;
c2(89)=1;
c2(91)=1;
c2(93)=1;
c2(95)=1;
c2(97)=1;
c2(99)=1;
c2(101)=1;
c2(102)=1;
c2(105)=1;
c2(106)=1;
c2(109)=1;
c2(111)=1;
c2(112)=1;
c2(113)=1;
c2(115)=1;
c2(116)=1;
c2(117)=1;
c2(118)=1;
c2(121)=1;
c2(122)=1;
c2(125)=1;
c2(126)=1;
c2(129)=1;
c2(133)=1;
c2(137)=1;
c2(139)=1;
c2(141)=1;
c2(143)=1;
c2(145)=1;
c2(149)=1;
c2(153)=1;
c2(157)=1;
c2(161)=1;
c2(165)=1;
c2(167)=1;
c2(169)=1;
c2(171)=1;
c2(173)=1;
c2(177)=1;
c2(178)=1;
c2(181)=1;
c2(182)=1;
c2(185)=1;
c2(189)=1;
c2(193)=1;
c2(197)=1;
c2(201)=1;
c2(202)=1;
c2(205)=1;
c2(206)=1;
c2(209)=1;
c2(211)=1;
c2(212)=1;
c2(213)=1;
c2(215)=1;
c2(216)=1;
c2(217)=1;
c2(218)=1;
c2(221)=1;
c2(222)=1;
c2(225)=1;
c2(226)=1;
c2(229)=1;
c2(233)=1;
c2(237)=1;
c2(239)=1;
c2(241)=1;
c2(243)=1;
c2(245)=1;
c2(249)=1;
c2(253)=1;
c2(257)=1;
c2(261)=1;
c2(265)=1;
c2(267)=1;
c2(269)=1;
c2(271)=1;
c2(273)=1;