#include <bits/stdc++.h>
using namespace std;
int read() {
  int x = 0, f = 1;
  char ch = getchar();
  while (ch < '0' || ch > '9') {
    if (ch == '-') f = -1;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') {
    x = x * 10 + ch - '0';
    ch = getchar();
  }
  return x * f;
}
int n;
int s[105];
void swap(int first, int last) {
  while (first <= last) {
    int t = s[first];
    s[first] = s[first + 1];
    s[first + 1] = t;
    first += 2;
  }
}
int main() {
  n = read();
  for (int i = 1; i <= n; i++) {
    s[i] = read();
  }
  bool b = true;
  while (b) {
    b = false;
    for (int i = 1; i <= n - 1; i++) {
      if (s[i] > s[i + 1]) {
        b = true;
        int j = i + 2;
        while (j < n && s[j] > s[j + 1]) j += 2;
        cout << i << " " << j - 1 << endl;
        swap(i, j - 2);
        break;
      }
    }
  }
  return 0;
}
