1, -1, 2, 1, 3, -2, 5, -1, 4, -3, 7, 2, 11, -5, 6, 1, 13, -4, 17, 3, 10, -7, 19, -2, 9, -11, 8, 5, 23, -6, 29, -1, 14, -13, 15, 4, 31, -17, 22, -3, 37, -10, 41, 7, 12, -19, 43, 2, 25, -9, 26, 11, 47, -8, 21, -5, 34, -23, 53, 6, 59, -29, 20, 1, 33, -14, 61, 13, 38, -15, 67, -4, 71, -31, 18, 17, 35, -22, 73, 3, 16, -37, 79, 10, 39, -41, 46, -7, 83, -12, 55