signed char sini[256]= {

0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51,
54, 57, 59, 62, 65, 67, 70, 73, 75, 78, 80, 82, 85, 87, 89, 91, 94, 96,
98, 100, 102, 103, 105, 107, 108, 110, 112, 113, 114, 116, 117, 118,
119, 120, 121, 122, 123, 123, 124, 125, 125, 126, 126, 126, 126, 126,126,
126, 126, 126, 126, 126, 126, 125, 125, 124, 123, 123, 122, 121, 120,
119, 118, 117, 116, 114, 113, 112, 110, 108, 107, 105, 103, 102, 100,
98, 96, 94, 91, 89, 87, 85, 82, 80, 78, 75, 73, 70, 67, 65, 62, 59, 57,
54, 51, 48, 45, 42, 39, 36, 33, 30, 27, 24, 21, 18, 15, 12, 9, 6, 3, 0,
-4, -7, -10, -13, -16, -19, -22, -25, -28, -31, -34, -37, -40, -43, -46,
-49, -52, -55, -58, -60, -63, -66, -68, -71, -74, -76, -79, -81, -83,
-86, -88, -90, -92, -95, -97, -99, -101, -103, -104, -106, -108, -109,
-111, -113, -114, -115, -117, -118, -119, -120, -121, -122, -123, -124,
-124, -125, -126, -126, -127, -127, -127, -127, -127, -127, -127, -127,
-127, -127, -126, -126, -125, -124, -124, -123, -122, -121, -120, -119,
-118, -117, -115, -114, -113, -111, -109, -108, -106, -104, -103, -101,
-99, -97, -95, -92, -90, -88, -86, -83, -81, -79, -76, -74, -71, -68,
-66, -63, -60, -58, -55, -52, -49, -46, -43, -40, -37, -34, -31, -28,
-25, -22, -19, -16, -13, -10, -7, -4 };