Standard input is empty

[[95, 73, 90, 92, 83, 75, 90], [81, 80, 93, 73, 74, 95, 93], [91, 76, 70, 80, 86, 79, 78], [89, 92, 74, 78, 87, 77, 80], [91, 97, 93, 82, 93, 91, 94], [77, 74, 83, 75, 72, 99, 85], [92, 88, 72, 73, 71, 87, 86], [82, 77, 74, 84, 71, 94, 73], [98, 71, 76, 90, 78, 92, 92], [87, 79, 88, 90, 79, 95, 79], [77, 88, 83, 78, 71, 79, 98], [93, 76, 96, 84, 71, 76, 79], [70, 97, 98, 75, 99, 95, 79], [82, 90, 82, 80, 73, 94, 73], [99, 78, 81, 88, 93, 77, 75], [77, 88, 95, 72, 95, 90, 95], [80, 83, 99, 72, 99, 74, 89], [93, 87, 94, 83, 72, 88, 77], [70, 81, 81, 85, 70, 85, 85], [72, 73, 81, 91, 90, 85, 90], [80, 92, 85, 90, 81, 80, 82], [91, 81, 97, 85, 94, 97, 89], [93, 90, 71, 98, 78, 90, 71], [90, 94, 88, 83, 80, 84, 73], [82, 74, 85, 98, 78, 90, 70], [79, 78, 76, 82, 92, 91, 98], [98, 84, 97, 98, 77, 81, 99], [74, 99, 77, 77, 78, 82, 76], [91, 92, 91, 72, 93, 88, 86], [88, 93, 73, 78, 91, 89, 75], [83, 81, 83, 88, 80, 98, 79], [93, 70, 86, 89, 89, 74, 73], [85, 98, 87, 94, 87, 94, 93], [94, 80, 91, 83, 83, 73, 84], [94, 83, 92, 83, 77, 75, 94], [76, 87, 90, 76, 94, 82, 71], [95, 77, 81, 74, 70, 88, 72], [97, 70, 80, 88, 92, 79, 81], [83, 97, 72, 87, 79, 92, 85], [70, 96, 76, 85, 98, 82, 94], [71, 77, 82, 97, 79, 88, 99], [91, 78, 74, 98, 71, 90, 90], [94, 83, 99, 90, 96, 93, 70], [95, 86, 86, 80, 85, 84, 72], [73, 72, 76, 78, 97, 70, 86], [78, 86, 71, 72, 77, 70, 94], [98, 87, 90, 81, 93, 78, 73], [93, 83, 83, 89, 92, 81, 88], [84, 78, 83, 70, 79, 72, 81], [89, 94, 78, 76, 78, 73, 80], [87, 82, 85, 78, 80, 93, 87], [80, 86, 74, 86, 78, 82, 80]]
52