#!/usr/bin/env python3


def arrange(n, xs, ys):
    width = min(x + y for x, y in zip(xs, ys))
    zs = [0]
    for x in xs:
        zs.append(min(x, width))
    zs.append(width)
    return width, zs


def main():
    n = int(input())
    xs = [int(z) for z in input().split()]
    ys = [int(z) for z in input().split()]
    width, zs = arrange(n, xs, ys)
    print(width)
    print(*zs, sep="\n")


if __name__ == "__main__":
    main()