graph([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], [[1, 14], [1, 17], [1, 24], [1, 28], [1, 38], [1, 42], [1, 52], [1, 56], [1, 60], [2, 13], [2, 14], [2, 16], [2, 28], [2, 31], [2, 32], [2, 42], [2, 45], [2, 51], [2, 62], [2, 68], [3, 6], [3, 14], [3, 16], [3, 31], [4, 5], [4, 26], [4, 32], [4, 51], [5, 8], [5, 23], [5, 48], [5, 52], [5, 57], [6, 5], [6, 7], [6, 69], [7, 8], [7, 16], [7, 26], [7, 33], [7, 42], [7, 54], [7, 68], [8, 19], [8, 35], [8, 36], [8, 57], [8, 62], [8, 64], [9, 8], [9, 12], [9, 44], [9, 47], [9, 55], [9, 59], [9, 62], [10, 13], [10, 21], [10, 40], [10, 46], [10, 50], [10, 55], [10, 58], [10, 68], [11, 24], [11, 36], [11, 37], [11, 39], [11, 46], [11, 56], [11, 67], [11, 69], [12, 2], [12, 18], [12, 21], [13, 8], [13, 31], [13, 45], [13, 57], [14, 3], [14, 7], [14, 16], [14, 25], [14, 28], [14, 50], [14, 58], [14, 62], [14, 70], [15, 8], [15, 32], [15, 33], [15, 34], [15, 53], [16, 7], [16, 13], [16, 29], [16, 38], [16, 51], [16, 59], [16, 66], [17, 20], [17, 36], [17, 47], [17, 49], [17, 63], [18, 10], [18, 20], [18, 23], [18, 25], [18, 39], [18, 45], [18, 50], [18, 58], [19, 6], [19, 10], [19, 49], [19, 64], [19, 70], [20, 1], [20, 16], [20, 22], [20, 24], [20, 30], [20, 41], [20, 43], [20, 57], [21, 7], [21, 9], [21, 20], [21, 39], [21, 52], [21, 62], [22, 7], [22, 27], [22, 36], [22, 46], [22, 53], [23, 7], [23, 31], [23, 54], [24, 1], [24, 4], [24, 5], [24, 12], [24, 30], [24, 31], [24, 34], [24, 35], [24, 36], [24, 42], [24, 64], [24, 70], [25, 7], [25, 11], [25, 13], [25, 52], [25, 54], [25, 56], [26, 45], [26, 47], [26, 62], [27, 11], [27, 18], [27, 32], [27, 48], [27, 49], [27, 51], [27, 57], [28, 32], [28, 58], [28, 59], [29, 27], [29, 38], [29, 49], [29, 52], [30, 1], [30, 3], [30, 7], [30, 11], [30, 25], [30, 68], [31, 2], [31, 8], [31, 20], [31, 32], [31, 53], [31, 70], [32, 14], [32, 31], [32, 35], [32, 40], [33, 9], [33, 13], [33, 14], [33, 26], [33, 29], [33, 36], [33, 39], [33, 54], [34, 19], [34, 23], [34, 46], [34, 51], [34, 55], [35, 11], [35, 12], [35, 21], [35, 42], [35, 43], [35, 47], [36, 1], [36, 14], [36, 27], [36, 33], [36, 35], [36, 37], [36, 38], [36, 49], [36, 62], [36, 66], [37, 24], [37, 43], [37, 44], [37, 51], [37, 54], [37, 59], [37, 61], [38, 8], [38, 12], [38, 13], [38, 17], [38, 29], [38, 46], [38, 59], [38, 61], [38, 62], [38, 70], [39, 3], [39, 13], [39, 23], [39, 26], [39, 29], [39, 30], [39, 32], [39, 36], [39, 49], [39, 60], [40, 3], [40, 59], [40, 60], [40, 62], [41, 25], [41, 40], [41, 45], [41, 60], [41, 70], [42, 4], [42, 7], [42, 10], [42, 11], [42, 15], [42, 25], [42, 34], [42, 69], [42, 70], [43, 27], [43, 28], [43, 55], [44, 1], [44, 2], [44, 6], [44, 10], [44, 19], [44, 27], [44, 46], [45, 8], [45, 22], [45, 23], [45, 27], [45, 33], [45, 35], [45, 37], [45, 41], [45, 43], [45, 51], [45, 57], [46, 1], [46, 9], [46, 10], [46, 12], [47, 7], [47, 8], [47, 23], [47, 24], [47, 34], [48, 14], [48, 23], [48, 35], [48, 41], [48, 42], [49, 3], [49, 5], [49, 11], [49, 18], [49, 19], [49, 22], [49, 26], [49, 37], [49, 41], [49, 46], [49, 59], [49, 65], [49, 66], [49, 67], [50, 29], [50, 32], [50, 37], [50, 38], [50, 46], [50, 47], [50, 51], [50, 63], [51, 6], [51, 25], [51, 29], [51, 44], [51, 49], [51, 61], [51, 69], [52, 2], [52, 17], [52, 26], [52, 49], [52, 55], [52, 57], [53, 7], [53, 31], [53, 54], [53, 63], [53, 65], [54, 11], [54, 12], [54, 13], [54, 25], [54, 27], [54, 31], [54, 37], [54, 39], [54, 44], [54, 48], [54, 51], [54, 53], [54, 57], [54, 64], [54, 67], [55, 10], [55, 25], [55, 42], [55, 43], [55, 51], [55, 63], [55, 70], [56, 9], [56, 15], [56, 16], [56, 30], [56, 37], [56, 45], [56, 46], [56, 51], [56, 66], [57, 15], [57, 20], [57, 28], [57, 38], [57, 52], [57, 62], [57, 64], [58, 7], [58, 20], [58, 25], [58, 35], [58, 38], [58, 45], [58, 59], [59, 9], [59, 16], [59, 22], [59, 41], [59, 48], [59, 56], [59, 58], [60, 6], [60, 17], [60, 27], [61, 2], [61, 7], [61, 18], [61, 42], [61, 50], [61, 53], [61, 66], [61, 70], [62, 11], [62, 14], [62, 19], [62, 35], [62, 53], [62, 63], [62, 68], [63, 30], [63, 31], [63, 40], [63, 44], [63, 59], [63, 66], [63, 69], [64, 1], [64, 23], [64, 26], [64, 35], [64, 40], [64, 61], [64, 66], [64, 68], [65, 10], [65, 14], [65, 18], [65, 20], [65, 22], [65, 35], [65, 54], [65, 66], [65, 67], [66, 16], [66, 18], [66, 31], [66, 42], [66, 45], [66, 65], [67, 6], [67, 10], [67, 25], [67, 53], [67, 54], [67, 57], [67, 59], [68, 6], [68, 11], [68, 20], [68, 36], [68, 55], [68, 62], [68, 64], [69, 10], [69, 37], [69, 39], [69, 46], [69, 52], [69, 55], [69, 70], [70, 3], [70, 8], [70, 11], [70, 12], [70, 16], [70, 18], [70, 33], [70, 36], [70, 40], [70, 41], [70, 59], [70, 66]]).
