code1.py

def my_max2(a, b):
    if a > b:
        return a
    else:
        return b


if __name__ == "__main__":
    m = int(input())
    y = []
    for i in range(m):
        y.append([])
        for k in range(m):
            y[i].append(int(input()))

    maxP = y[0][0]
    for i in range(m):
        maxP = my_max2(maxP, y[0][i])
        maxP = my_max2(maxP, y[i][0])
        maxP = my_max2(maxP, y[m - 1][i])
        maxP = my_max2(maxP, y[i][m - 1])

    maxNP = y[1][1]
    for i in range(1, m - 1):
        for k in range(1, m - 1):
            maxNP = my_max2(maxNP, y[i][k])

    print("max1 = {0}".format(maxP))
    print("max2 = {0}".format(maxNP))