#include<iostream>
#include<vector>
using namespace std;
int main() {
  int N;
  cin >> N;
  vector<int> A(N);
  for(int i=0;i<N;i++)cin >> A[i];
  long long m = A[N-1],p = N-1,ans = 1;
  for(int i=N-1;i>=0;i--) {
    if(m >= A[i]) {
      ans = ans*(p-i+1)%998244353;
      p = i;
      m = A[i];
    }
  }
  cout << ans << endl;
}