Standard input is empty

[[0, 1, 2, 3, 4, 5], [6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23], [24, 25, 26, 27, 28, 29, 30], [31, 32, 33, 34, 35, 36], [37, 38, 39, 40, 41, 42], [43, 44, 45, 46, 47, 48], [49, 50, 51, 52, 53, 54], [55, 56, 57, 58, 59, 60, 61], [62, 63, 64, 65, 66, 67], [68, 69, 70, 71, 72, 73], [74, 75, 76, 77, 78, 79], [80, 81, 82, 83, 84, 85, 86], [87, 88, 89, 90, 91, 92], [93, 94, 95, 96, 97, 98], [99, 100, 101, 102, 103, 104], [105, 106, 107, 108, 109, 110], [111, 112, 113, 114, 115, 116, 117], [118, 119, 120, 121, 122, 123], [124, 125, 126, 127, 128, 129], [130, 131, 132, 133, 134, 135], [136, 137, 138, 139, 140, 141, 142], [143, 144, 145, 146, 147, 148], [149, 150, 151, 152, 153, 154], [155, 156, 157, 158, 159, 160], [161, 162, 163, 164, 165, 166], [167, 168, 169, 170, 171, 172, 173], [174, 175, 176, 177, 178, 179], [180, 181, 182, 183, 184, 185], [186, 187, 188, 189, 190, 191], [192, 193, 194, 195, 196, 197, 198], [199, 200, 201, 202, 203, 204], [205, 206, 207, 208, 209, 210], [211, 212, 213, 214, 215, 216], [217, 218, 219, 220, 221, 222], [223, 224, 225, 226, 227, 228, 229], [230, 231, 232, 233, 234, 235], [236, 237, 238, 239, 240, 241], [242, 243, 244, 245, 246, 247], [248, 249, 250, 251, 252, 253, 254], [255, 256, 257, 258, 259, 260], [261, 262, 263, 264, 265, 266], [267, 268, 269, 270, 271, 272], [273, 274, 275, 276, 277, 278], [279, 280, 281, 282, 283, 284, 285], [286, 287, 288, 289, 290, 291], [292, 293, 294, 295, 296, 297], [298, 299, 300, 301, 302, 303], [304, 305, 306, 307, 308, 309, 310]]