Go: package main

import (
	"bufio"
	"fmt"
	"math/big"
	"os"
	"strconv"
)

func CountPatterns(i int, patternNums []int) int {
	if patternNums[i] != 0 {
		return patternNums[i]
	}
	if i == 0 {
		return 1
	}
	patternNums[i] += CountPatterns(i-1, patternNums)
	if i > 1 {
		patternNums[i] += CountPatterns(i-2, patternNums)
	}
	if i > 2 {
		patternNums[i] += CountPatterns(i-3, patternNums)
	}
	return patternNums[i]
}

func Solve(N int) int {
	patternNums := MakeFilledInts(N+1, 0)
	return (CountPatterns(N, patternNums) + 3649) / 3650
}

func main() {
	for N := scan.Int(); N != 0; N = scan.Int() {
		ans := Solve(N)
		fmt.Println(ans)
	}
}

// --------------------------------------------------------------------------------
// Input

var scan = NewScanner()

type Scanner struct{ *bufio.Scanner }

func NewScanner() *Scanner {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	sc.Buffer(nil, 100000000)
	return &Scanner{sc}
}

func (s *Scanner) String() string {
	s.Scan()
	return s.Text()
}

func (s *Scanner) Strings(l int) []string {
	if l == 0 {
		return []string{}
	}
	sl := make([]string, l, l)
	for i := range sl {
		sl[i] = s.String()
	}
	return sl
}

func (s *Scanner) Int() int {
	n, _ := strconv.Atoi(s.String())
	return n
}

func (s *Scanner) Ints(l int) []int {
	if l == 0 {
		return []int{}
	}
	sl := make([]int, l, l)
	for i := range sl {
		sl[i] = s.Int()
	}
	return sl
}

func (s *Scanner) Int64() int64 {
	n, _ := strconv.ParseInt(s.String(), 10, 64)
	return n
}

func (s *Scanner) BigInt() *big.Int {
	return big.NewInt(s.Int64())
}

func (s *Scanner) BigInts(l int) []*big.Int {
	if l == 0 {
		return []*big.Int{}
	}
	sl := make([]*big.Int, l, l)
	for i := range sl {
		sl[i] = s.BigInt()
	}
	return sl
}

func (s *Scanner) Float64() float64 {
	f, _ := strconv.ParseFloat(s.String(), 64)
	return f
}

func (s *Scanner) Floats64(l int) []float64 {
	if l == 0 {
		return []float64{}
	}
	sl := make([]float64, l, l)
	for i := range sl {
		sl[i] = s.Float64()
	}
	return sl
}

// --------------------------------------------------------------------------------
// Output

const (
	Yes = "Yes"
	No  = "No"

	YES = "YES"
	NO  = "NO"
)

func PrintBool(v bool, trueStr, falseStr string) {
	if v {
		fmt.Println(trueStr)
	} else {
		fmt.Println(falseStr)
	}
}

// --------------------------------------------------------------------------------
// sort.BigIntSlice

type BigIntSlice []*big.Int

func (sl BigIntSlice) Len() int {
	return len(sl)
}

func (sl BigIntSlice) Less(i, j int) bool {
	return sl[i].Cmp(sl[j]) == -1
}

func (sl BigIntSlice) Swap(i, j int) {
	sl[i], sl[j] = sl[j], sl[i]
}

// --------------------------------------------------------------------------------
// Mint

const (
	Mod = 1000000007
)

type Mint int

func NewMint(value int) Mint {
	return Mint((value%Mod + Mod) % Mod)
}

func (x Mint) Add(y Mint) Mint {
	if v := x + y; v >= Mod {
		return v - Mod
	} else {
		return v
	}
}

func (x Mint) Sub(y Mint) Mint {
	if v := x + Mod - y; v >= Mod {
		return v - Mod
	} else {
		return v
	}
}

func (x Mint) Mul(y Mint) Mint {
	return (x * y) % Mod
}

func (x Mint) pow(n int) Mint {
	if n == 0 {
		return Mint(1)
	}
	a := x.pow(n >> 1)
	a = a.Mul(a)
	if n&1 != 0 {
		a = a.Mul(x)
	}
	return a
}

func (x Mint) Inverse() Mint {
	return x.pow(Mod - 2)
}

func (x Mint) Div(y Mint) Mint {
	return x * y.Inverse()
}

func (x Mint) Neg() Mint {
	return NewMint(int(-x))
}

// --------------------------------------------------------------------------------
// Factorial

type Factorial struct {
	fact        []Mint
	factInverse []Mint
}

func NewFactorial(n int) *Factorial {
	f := new(Factorial)
	f.init(n)
	return f
}

func (f *Factorial) init(n int) {
	fact := make([]Mint, n+1, n+1)
	fact[0] = NewMint(1)
	for i := 1; i <= n; i++ {
		fact[i] = fact[i-1].Mul(NewMint(i))
	}

	inv := make([]Mint, n+1, n+1)
	inv[n] = fact[n].Inverse()
	for i := n; i >= 1; i-- {
		inv[i-1] = inv[i].Mul(NewMint(i))
	}

	f.fact = fact
	f.factInverse = inv
}

func (f *Fa

C++: #include <algorithm>
#include <iostream>
#include <string>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iomanip>
#include <limits>
#include <map>
#include <queue>
#include <stack>
#include <vector>

#define FOR(i,k,n) for(int (i) = (k); (i) < (n); ++(i))
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define all(v) begin(v), end(v)
#define debug(x) cerr << #x << ": " << x << endl
#define debug2(x,y) cerr << #x << ": " << x << ", " << #y << ": " << y << endl

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<i_i, int> p_i;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
template<class T> using vv=vector<vector<T>>;
typedef deque<int> di;
typedef deque<deque<int>> ddi;

int main() {
    while(1) {
        int n;
        cin >> n;
        int dp[30];
        dp[0] = 1;
        dp[1] = 2;
        dp[2] = 4;
        FOR(i,3,n) {
            dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
        }
        if(dp[n] % 3650 == 0) { 
            cout << dp[n-1] /3650 << endl;
        } else {
            cout << dp[n-1] /3650 + 1 << endl;
        }
         
    }
	return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <algorithm>
#include <functional>
#include <vector>
#include <string>
#include <cstring>

#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define repn(i,n,m) for(int i=n;i<m;i++)
#define repn1(i,n,m) for(int i=n;i<=m;i++)
using namespace std;

int main(){

	int dp[30] = {0};
	int n;
	
	dp[1] = 1;
	dp[2] = 2;
	dp[3] = 4;

	repn(i, 4, 30) dp[i] = dp[i-1] + dp[i-2] + dp[i-3];

	while(cin >> n, n){

		cout << dp[n] / 3650 + (dp[n]%3650==0 ? 0 : 1) << endl;
	}

	return 0;
}

C++: #include <iostream>
using namespace std;

int num(int n);

int main(){
  int n;
  cout << num(cin>>n) <<endl;
}

int num(int n){
  if(n<0)return 0;
  return num(n-1)+num(n-2)+num(n-3);
}

C++: #include<bits/stdc++.h>

using namespace std;

struct Matrix
{
  vector< vector< long long > > a;

  Matrix(int N)
  {
    a.resize(N, vector< long long >(N));
  }

  Matrix operator+(const Matrix &kj)
  {
    Matrix ret(a.size());
    for(int i = 0; i < a.size(); i++) {
      for(int j = 0; j < a.size(); j++) {
        ret.a[i][j] = a[i][j] + kj.a[i][j];
      }
    }
    return (ret);
  }

  Matrix operator*(const Matrix &kj)
  {
    Matrix ret = Matrix::Zero(a.size());
    for(int i = 0; i < a.size(); i++) {
      for(int j = 0; j < a.size(); j++) {
        for(int k = 0; k < a.size(); k++) {
          ret.a[i][j] = (ret.a[i][j] + 1LL * a[i][k] * kj.a[k][j]);
        }
      }
    }
    return (ret);
  }

  Matrix operator^(long long n)
  {
    Matrix ret = Matrix::I(a.size());
    Matrix x = *this;
    while(n > 0) {
      if(n & 1) (ret = ret * x);
      x = x * x;
      n >>= 1;
    }
    return (ret);
  }

  static Matrix Zero(int N)
  {
    Matrix ret(N);
    for(int i = 0; i < N; i++) {
      for(int j = 0; j < N; j++) ret.a[i][j] = 0;
    }
    return (ret);
  }

  static Matrix I(int N)
  {
    Matrix ret(N);
    for(int i = 0; i < N; i++) {
      for(int j = 0; j < N; j++) ret.a[i][j] = i == j;
    }
    return (ret);
  }
};

int main()
{
  int n;
  while(cin >> n, n) {
    Matrix tt(3);
    tt.a = {{1, 1, 1},
            {1, 0, 0},
            {0, 1, 0}};
    tt = tt ^ n;
    cout << (tt.a[2][0] * 2 + tt.a[2][1] + tt.a[2][2] + 3649) / 3650 << endl;
  }
}