#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
// #define int LL
using namespace std;
using LL = long long;
using pii = pair<int, int>;

int src[110][110];

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, m; cin >> n >> m;
    vector<int> v1(n + 1), v2(m + 1);
    For(i, 1, n) cin >> v1[i];
    For(i, 1, m) cin >> v2[i];
    memset(src, -1, sizeof(src));
    src[0][0] = 0;
    For(i, 0, n) For(j, 0, m) {
        if(i && (v1[i] == i + j || v1[i] == 0) && src[i - 1][j] != -1) {
            src[i][j] = 0;
        } else if(j && (v2[j] == i + j || v2[j] == 0) && src[i][j - 1] != -1) {
            src[i][j] = 1;
        }
        // cout << src[i][j] << " \n"[j == m];
    }
    int i = n, j = m;
    while(i || j) {
        // cerr << i << " " << j << "\n";
        if(src[i][j] == 0) {
            v1[i] = i + j;
            i--;
        } else if(src[i][j] == 1) {
            v2[j] = i + j;
            j--;
        }
    }
    For(i, 1, n) cout << v1[i] << " \n"[i == n];
    For(i, 1, m) cout << v2[i] << " \n"[i == m];
    return 0;
}