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 <algorithm>
using namespace std;

int n;
long long dp[39];

long long rec(int n) {
  if (dp[n] != 0) return dp[n];
  return dp[n] = rec(n - 1) + rec(n - 2) + rec(n - 3);
}

int main() {
  while (true) {
    int n; cin >> n;
    if (n == 0) break;
    for (int i = 0; i <= n; i++) dp[i] = 0;
    dp[0] = 1, dp[1] = 1, dp[2] = 2, dp[3] = 4;
    
    long long ans = rec(n) / 3650;
    if (rec(n) % 3650 != 0) ans++;
    cout << ans << endl;
  }
  
  return 0;
}

C++: #include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <limits.h>
#include <cctype>

#include <iostream>
#include <vector>
#include <deque>
#include <queue>
#include <map>
#include <algorithm>


using namespace std;

#define Max INT_MAX
#define Inf (INT_MAX/2)
#define Min INT_MIN


#define rep(i, n) for(int i = 0; i < n; i++)
#define repi(i,l,n) for(int (i)=(int)(l);(i)<(int)(n);(i)++)
// s <= x < g ?
#define IN(x,s,g) ((x) >= (s) && (x) < (g))
// 0 <= x < w && 0 <= y < h ?
#define ISIN(x,y,w,h) (IN((x),0,(w)) && IN((y),0,(h)))

typedef pair<int, int> P;

int main()
{
    int n;
    long long dp[30] = {0};
    while( cin >> n ){
        if( n == 0 ) { break;}
        rep(i,30){
            dp[i] = 0;
        }
        rep(i,3){
            dp[i] = 1;
        }
        repi(i,0,30){
            if( IN(i-1,0,30) ) { dp[i] += dp[i-1];}
            if( IN(i-2,0,30) ) { dp[i] += dp[i-2];}
            if( IN(i-3,0,30) ) { dp[i] += dp[i-3];}
        }

        //rep(i,30){
        //    cout << dp[i] << ",";
        //}

        long long sum = 0;

        //cout << "dp[29] = " << dp[29] << endl;
        sum = dp[n-1];
        int ans = sum / 3650;
        if( !(sum % 3650 == 0) ) { 
            ans++;
        } 
        cout << ans << endl;
    }
}

C++: 
#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>
#include <utility>
#include <queue>
#define INF 1000000007

using namespace std;
typedef long long int ll;

int main(){
    vector<int> dp(31,0);
    dp[0]=1;
    dp[1]=1;
    dp[2]=2;
    for (int i=3; i<31; i++) {
        dp[i] = dp[i-1]+dp[i-2]+dp[i-3];
    }
    for (;;) {
        int n;
        cin >> n;
        if(n==0) break;
        int ans = dp[n]/(10*365)+1;
        cout << ans <<endl;
    }
}

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

int main() {

    long long int dp[34] = {0};

    dp[0] = 1;

    for(int i=0;i<31;i++){
        dp[i+1] += dp[i];
        dp[i+2] += dp[i];
        dp[i+3] += dp[i];
    }

    for(int i=0;i<31;i++){
        dp[i] = dp[i]/10;
    }

    while(1){

        int n;

        cin >> n;

        if(n==0) break;

        int ans = dp[n]%365==0 ? dp[n]/365 : dp[n]/365+1;

        cout << ans << endl;

    }


    return 0;
}

C++: #include <iostream>
using namespace std;
int main(void){
  int a[31]={1,1,2};//0段目(まだ踏み出してないので1通り),1段目(1段だけなので1通り),2段目(1歩x2か2歩x1で2通り)
  for(int i=3;i<=30;++i) a[i]=a[i-1]+a[i-2]+a[i-3];//i段目にはi-1.i-2,i-3段目から来るはず
  int n;
  while(cin>>n,n) cout<<(a[n]/10/365+1)<<endl;
}