#pragma comment(linker, "/STACK:1024000000,1024000000")

#include <cstdio>

#include <string>

#include <cstdlib>

#include <cmath>

#include <iostream>

#include <cstring>

#include <set>

#include <queue>

#include <algorithm>

#include <vector>

#include <map>

#include <cctype>

#include <cmath>

#include <stack>

#include <sstream>

#define debug() puts("++++");

#define gcd(a, b) __gcd(a, b)

#define lson l,m,rt<<1

#define rson m+1,r,rt<<1|1

#define freopenr freopen("in.txt", "r", stdin)

#define freopenw freopen("out.txt", "w", stdout)

using namespace std;

typedef long long LL;

typedef unsigned long long ULL;

typedef pair<int, int> P;

const int INF = 0x3f3f3f3f;

const LL LNF = 1e16;

const double inf = 0x3f3f3f3f3f3f;

const double PI = acos(-1.0);

const double eps = 1e-8;

const int maxn = 1e5 + 10;

const int mod = 1e9 + 7;

const int dr[] = {-1, 0, 1, 0};

const int dc[] = {0, 1, 0, -1};

const char *de[] = {"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"};

int n, m;

const int mon[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

const int monn[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

inline bool is_in(int r, int c){

  return r >= 0 && r < n && c >= 0 && c < m;

}

struct Node{

  int id, val;

  bool operator < (const Node &p) const{

    return val < p.val;

  }

};

vector<Node> v1, v2;

int main(){

  cin >> n;

  int sum1 = 0, sum2 = 0;

  for(int i = 1; i <= n; ++i){

    scanf("%d", &m);

    v1.push_back((Node){i, m});

    sum1 += m;

  }

  for(int i = 1; i <= n; ++i){

    scanf("%d", &m);

    v2.push_back((Node){i, m});

    sum2 += m;

  }

  sort(v1.begin(), v1.end());

  sort(v2.begin(), v2.end());

  if(sum1 > sum2) for(int i = 0; i < n; ++i) printf("%d %d\n", v1[i].id, v2[n-i-1].id);

  else  for(int i = 0; i < n; ++i) printf("%d %d\n", v1[n-i-1].id, v2[i].id);

  return 0;

}