#include <bits/stdc++.h>

using namespace std;

int dp[31];

int main()
{
  dp[0] = 1;
  dp[1] = 1;
  dp[2] = 2;
  for(int i = 3; i <= 30; i++){
    dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
  }
  int n;
  while(cin >> n, n){
    cout << dp[n] / 10 / 365 + 1 << endl;
  }
  return 0;
}