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>
#include <iomanip>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <string>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <algorithm>
#include <functional>

using namespace std;

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int,int> PII;
typedef long long ll;
typedef unsigned long long ull;

#define REP( i, m, n ) for ( int i = (int)( m ); i < (int)( n ); i++ )
#define UREP( i, m, n ) for ( unsigned int i = (unsigned int)( m ); i < (unsigned int)( n ); i++ )

#define ITER( c ) __typeof( (c).begin() )
#define IREP( c, it ) for ( ITER(c) it = c.begin(); it != c.end(); ++it )
#define ALL( c ) (c).begin(), (c).end()
#define RALL( c ) (c).rbegin(), (c).rend()

#define PB( n ) push_back( n )
#define MP( a, b ) make_pair( ( a ), ( b ) )
#define EXIST( c, e ) ( (c).find( e ) != (c).end() )

#define fst first
#define snd second

#define DUMP( x ) cerr << #x << " = " << ( x ) << endl
#define DEBUG( x ) cerr << __FILE__ << ":" << __LINE__ << ": " << #x << " = " << ( x ) << endl

VI memo;

int solve( int n )
{
	if ( n == 0 )
	{
		return 1;
	}
	else if ( n < 0 )
	{
		return 0;
	}

	if ( memo[n] != -1 )
	{
		return memo[n];
	}

	return solve( n - 1 ) + solve( n - 2 ) + solve( n - 3 );
}

int main()
{
	while ( true )
	{
		int n;
		cin >> n;

		if ( n == 0 )
		{
			break;
		}

		memo.resize( n + 1 );
		fill( ALL( memo ), -1 );

		cout << solve( n ) / 3650 + 1 << endl;
	}

	return 0;
}

C++: #include <iostream>
#include <vector>
#include <map>
#include <stack>
#include <list>
#include <queue>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <math.h>

#define PREP(i, m, n) for(int i = m; i < n; i++)
#define MREP(i, m, n) for(int i = m - 1; i >= n; i--)

#define rep(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define all(v) v.begin(), v.end()
#define rev(v) v.rbegin(), v.rend()
#define X first
#define Y second
#define MP make_pair
#define PB push_back

using namespace std;



int main(){
	vector<int>  stairs;
	stairs.push_back(1);
	stairs.push_back(1);
	stairs.push_back(2);
	
	for(int i = 3; i < 31; i++){
		int tmp = stairs[i - 1] + stairs[i - 2] + stairs[i - 3];
		stairs.push_back(tmp);
	}

	int n = 0;
	while(cin >> n && n != 0){
		int tmp = 0;
		if(stairs[n] / 10 == 0) tmp = 1;
		else tmp = stairs[n] / 10;
		if(tmp % 365 == 0){
			cout << tmp / 365 << endl;
		}
		else{
			cout << tmp / 365 + 1 << endl;
		}
	}

	return 0;
}

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

long long dp[30] = {1,1,2};
int ans[30];
int n;

int main(){
  
  for(int i = 3 ; i < 30 ; i++){
    dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
  }
  for(int i = 0; i < 30 ; i++){
    ans[i] = dp[i] / 10;
    if(dp[i] % 10 != 0) ans[i]++;
    ans[i] = ans[i] / 365 ;
    if(ans[i] % 365 != 0) ans[i]++;
    if(ans[i] == 0) ans[i]++;
  }

  while(cin >> n, n != 0){

    cout << ans[n] << endl; 
  }
  
  return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

long long calc(int x){
    if(x < 0) return 0;
    if(x == 0) return 1;
    return calc(x - 1) + calc(x - 2) + calc(x - 3);
}

int main(){
    long long n;
    while(cin >> n, n){
        cout << (calc(n) + 3649) / 3650  << endl;
    }
}

C++: #include <iostream>
using namespace std;
int n , now = 0;
int saiki(int now){
	if( now == n )
		return 1;
	if( now > n )
		return 0;
	int res = 0;
	res += saiki(now+1)+saiki(now+2)+saiki(now+3);
	return res;
}
int main(){
	while(1){
		int x=0;
		cin >> n;
		if( n==0 ) break;
		int count = saiki(0);
		int co = count / 10;
		if( count%10 > 0 )
			co ++;
		x = co / 365 ;
		if(co%365>0)
			x ++;
		cout << x << endl;
	}
}