N = int(input()) # 读取矩阵并存储在列表中 matrix = [] for _ in range(N): row = list(map(int, input().split())) matrix.append(row) # 初始化最大值和最小值为矩阵的第一个元素 max_value = min_value = matrix[0][0] # 遍历矩阵，更新最大值和最小值 for row in matrix: for value in row: if value > max_value: max_value = value if value < min_value: min_value = value # 输出最大值和最小值 print(max_value, min_value)