#include <bits/stdc++.h>
using namespace std;
void trace(int A[], int N) {
  int i;
  for (i = 0; i < N; i++) {
    if (i > 0) cout << " ";
    cout << A[i];
  }
  cout << endl;
}
int selectionSort(int A[], int N) {
  int minj, cnt = 0;
  for (int i = 0; i < N; i++) {
    minj = i;
    for (int j = i; j < N; j++) {
      if (A[j] < minj) {
        swap(A[j], minj);
        minj = j;
        cnt += 1;
      }
    }
  }
  return cnt;
}
int main() {
  int n, num_sec[101] = {}, cnt = 0;
  cin >> n;
  for (int i = 0; i < n; i++) cin >> num_sec[i];
  cnt = selectionSort(num_sec, n);
  cout << cnt << endl;
}
