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 <iostream>

using namespace std;

main(){
  long long dp[31];
  for(int i=0;i<31;i++){
    dp[i]=0;
  }
  dp[0]=1;
  for(int i=0;i<31;i++){
    int t=i+1;
    if(t<31) dp[t]+=dp[i];
    t++;
    if(t<31) dp[t]+=dp[i];
    t++;
    if(t<31) dp[t]+=dp[i];
  }

  int n;
  while(1){
    cin >> n;
    if(n==0) break;

    if(dp[n]%3650==0){
      cout << dp[n]/3650 << endl;
    }else{
      cout << dp[n]/3650+1 << endl;
    }
  }
  return 0;
}

C++: #include<iostream>
using namespace std;
int Kannondou(int n){
	int dp[4] = {1,2,4,0};

	if(n<=3)
		return 1;

	for(int i = 3; i < n; ++i){
		dp[ 3 ] = dp[ 2 ] + dp[ 1 ] + dp[ 0 ];
		dp[ 0 ] = dp[ 1 ];
		dp[ 1 ] = dp[ 2 ];
		dp[ 2 ] = dp[ 3 ];
	}
	return ( dp[ 3 ] - 1 ) / 3650 + 1;
}
int main(){
	while(true){
		int n;

		cin>>n;
		if(n == 0)
			break;

		cout << Kannondou( n ) << endl;
	}
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#define all(x) (x).begin(),(x).end()
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define repr(i, n) for(int i = n; i >= 0; i++)
#define REP(i, m, n) for(int i = m; i < n; i++)
#define SORT(v) sort((v).begin(), (v).end())
#define REV(v) sort((v).begin(), (v).end(), greater<int>())
#define INF 1000000007
typedef long long ll;
typedef pair<int, int> P;
int gcd(int a,int b){return b?gcd(b,a%b):a;};
int lcm(int a,int b){return a*b/gcd(a,b);};
int mod(ll a,ll b){return (a+b-1)/b;};
int month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

int year(ll n) {
	return mod(n, 3650);
}

int main() {
  cin.tie(0);  cout.tie(0);
  ios::sync_with_stdio(false);

  int n;
	ll memo[50];
	memo[0] = 1;
	memo[1] = 1;
	memo[2] = 2;
	for(int i = 3; i <= 30; i++) {
		memo[i] = memo[i - 1] + memo[i - 2] + memo[i - 3];
	}
	while(1) {
		cin >> n;
		if(!n) break;
		cout << year(memo[n]) << endl;
	}
  return 0;
}

C++: #include<cstdio>
int i,j,n[99];int main(){n[1]=1;n[2]=2;n[3]=4;for(i=4;i-31;i++)n[i]=n[i-1]+n[i-2]+n[i-3];for(;scanf("%d",&i)&&i;printf("%d\n",n[i]/3650+(n[i]%3650?1:0)));}

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



int main() {
  int n;
  int dp[31];
  dp[1] = 1;
  dp[2] = 2;
  dp[3] = 4;
  for ( int i = 4; i <= 30; i++ ) dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
 
  while ( cin >> n, n ) {
    cout << dp[n]/10/365 + 1 << endl;
  }


  return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
    long long stair[31];
    stair[0]=1;stair[1]=1;stair[2]=2;stair[3]=4;
    for(int i=4;i<31;i++)
    {
        stair[i]=stair[i-1]+stair[i-2]+stair[i-3];
    }
    int n;
    int ans=0;
    while(true)
    {
        scanf("%d",&n);
        if(n==0)
        break;
        ans=(stair[n]+3649)/3650;
        cout<<ans<<endl;
    }
    return 0;
}