[HackerRank] 06. Min and Max

import numpy as np

np.printoptions()
my_arr = []
N, M = input().split()
for _ in range(int(N)):
    my_arr.append(list(map(int, input().split())))

my_arr = np.array(my_arr)
print(np.max(np.min(my_arr, axis=1)))