import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

data = np.fromstring(read(), np.int64, sep=' ')

N = data[0]
X = data[1:1+N]
Y = data[1+N:]

D = np.min(X+Y)
x = np.hstack([[0], np.minimum(D, X), [D]])

print(D)
print('\n'.join(x.astype(str)))