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