Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

var scanner = bufio.NewScanner(os.Stdin)

// 文字列を1行取得
func StrStdin() (stringReturned string) {
//	scanner := bufio.NewScanner(os.Stdin)

	scanner.Scan()
	stringInput := scanner.Text()

	stringReturned = strings.TrimSpace(stringInput)
	return
}

// 整数値1つ取得
func IntStdin() (int, error) {
	stringInput := StrStdin()
	return strconv.Atoi(strings.TrimSpace(stringInput))
}

// 空白や空文字だけの値を除去したSplit()
func SplitWithoutEmpty(stringTargeted string, delim string) (stringReturned []string) {
	stringSplited := strings.Split(stringTargeted, delim)

	for _, str := range stringSplited {
		if str != "" {
			stringReturned = append(stringReturned, str)
		}
	}

	return
}

// デリミタで分割して文字列スライスを取得
func SplitStrStdin(delim string) (stringReturned []string) {
	// 文字列で1行取得
	stringInput := StrStdin()

	// 空白で分割
	// stringSplited := strings.Split(stringInput, delim)
	stringReturned = SplitWithoutEmpty(stringInput, delim)

	return
}

// デリミタで分割して整数値スライスを取得
func SplitIntStdin(delim string) (intSlices []int, err error) {
	// 文字列スライスを取得
	stringSplited := SplitStrStdin(" ")

	// 整数スライスに保存
	for i := range stringSplited {
		var iparam int
		iparam, err = strconv.Atoi(stringSplited[i])
		if err != nil {
			return
		}
		intSlices = append(intSlices, iparam)
	}
	return
}

func main() {
	nk, _ := SplitIntStdin(" ")
	n, k := nk[0], nk[1]
	kind := make([]int, n)
	for i := 0; i < k; i++ {
		var tmp []int
		var err error
		if tmp, err = SplitIntStdin(" "); err != nil {
			panic(err)
		}
		kind[tmp[0]-1] = tmp[1]
	}
	dp := make([][3][3]int, n)
	if kind[0] > 0 {
		dp[0][0][kind[0]-1] = 1
	} else {
		for i := 0; i < 3; i++ {
			dp[0][0][i] = 1
		}
	}
	if kind[1] > 0 {
		for i := 0; i < 3; i++ {
			dp[1][i][kind[1]-1] = dp[0][0][i]
		}
	} else {
		for i := 0; i < 3; i++ {
			for j := 0; j < 3; j++ {
				dp[1][i][j] = dp[0][0][i]
			}
		}
	}
	for i := 1; i < n-1; i++ {
		if kind[i+1] > 0 {
			for j := 0; j < 3; j++ {
				if j == kind[i+1]-1 {
					for k := 0; k < 3; k++ {
						if j != k {
							dp[i+1][j][kind[i+1]-1] += dp[i][k][j]
							dp[i+1][j][kind[i+1]-1] %= 10000
						}
					}
				} else {
					for k := 0; k < 3; k++ {
						dp[i+1][j][kind[i+1]-1] += dp[i][k][j]
						dp[i+1][j][kind[i+1]-1] %= 10000
					}
				}
			}
		} else {
			for j := 0; j < 3; j++ {
				for k := 0; k < 3; k++ {
					for l := 0; l < 3; l++ {
						if j != k || k != l {
							dp[i+1][k][j] += dp[i][l][k]
							dp[i+1][k][j] %= 10000
						}
					}
				}
			}
		}
	}
	result := 0
	for i := 0; i < 3; i++ {
		for j := 0; j < 3; j++ {
			result += dp[n-1][i][j]
		}
	}
	// fmt.Println(dp)
	// fmt.Println(kind)
	fmt.Println(result % 10000)
}

C++: #include<iostream>
using namespace std;
int n,k,total,a,b;
int menu[101];
long long t[101][4][3],ans[101];
int ot(int a){
  if(a>3)a-=3;
  return a;
}
int main(){
  cin>>n>>k;
  for(int i=0;i<=100;i++){
    menu[i]=0;
    for(int j=0;j<4;j++){
      for(int k=0;k<3;k++){
	t[i][j][k]=0;
      }
    }
  }

  for(int i=0;i<k;i++){
    cin>>a>>b;
    menu[a]=b;
  }

  if(menu[1]==0){
    ans[1]=3;
    t[1][1][1]=t[1][2][1]=t[1][3][1]=1;
    t[1][1][0]=t[1][2][0]=t[1][3][0]=2;
  }else{
    t[1][menu[1]][1]=1;
    t[1][ot(menu[1]+1)][0]=1;
    t[1][ot(menu[1]+2)][0]=1;
    ans[1]=1;
  }
  for(int i=2;i<=n;i++){
    if(menu[i]==0){
      ans[i]=ans[i-1]*3;
      ans[i]=ans[i]-t[i-1][1][2]-t[i-1][2][2]-t[i-1][3][2];
      t[i][1][2]=t[i-1][1][1];
      t[i][1][1]=t[i-1][1][0];
      t[i][1][0]=ans[i]-t[i][1][2]-t[i][1][1];

      t[i][2][2]=t[i-1][2][1];
      t[i][2][1]=t[i-1][2][0];
      t[i][2][0]=ans[i]-t[i][2][2]-t[i][2][1];

      t[i][3][2]=t[i-1][3][1];
      t[i][3][1]=t[i-1][3][0];
      t[i][3][0]=ans[i]-t[i][3][2]-t[i][3][1];

    }else{
      ans[i]=ans[i-1]-t[i-1][menu[i]][2];
      t[i][menu[i]][2]=t[i-1][menu[i]][1];
      t[i][menu[i]][1]=t[i-1][menu[i]][0];
      t[i][menu[i]][0]=0;
      t[i][ot(menu[i]+1)][0]=ans[i];
      t[i][ot(menu[i]+2)][0]=ans[i];
      t[i][ot(menu[i]+1)][1]=0;
      t[i][ot(menu[i]+2)][1]=0;
      t[i][ot(menu[i]+1)][2]=0;
      t[i][ot(menu[i]+2)][2]=0;
    }
    ans[i]%=1000000;
    for(int j=1;j<=3;j++){
      for(int k=0;k<=2;k++){
	t[i][j][k]%=10000;
      }
    }
  }
  cout<<ans[n]%10000<<endl;
  return 0;
}

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

const int mod = 10000;
int dp[101][3][3], n, k, a, b;
int s[101];

int main() {
  cin>>n>>k;
  for (int i=0; i<k; ++i) {
    cin>>a>>b; a--;
    s[a] = b;
  }

  for (int i=0; i<3; ++i) {
    if (s[0] != 0 && s[0]-1 != i) continue;
    dp[0][i][0] = 1;
  }
  for (int i=0; i<n-1; ++i) {
    for (int j=0; j<3; ++j) {
      if (s[i+1] != 0 && s[i+1]-1 != j) continue;
      for (int p=0; p<3; ++p) {
        for (int q=0; q<3; ++q) {
          if (j == p && q == 1) continue;
          int next = ((j!=p)?0:(q+1));
          dp[i+1][j][next] += dp[i][p][q];
          dp[i+1][j][next] %= mod;
        }
      }
    }
  }

  int ans = 0;
  for (int i=0; i<3; ++i) {
    for (int j=0; j<3; ++j) {
      ans += dp[n-1][i][j];
      ans %= mod;
    }
  }
  cout<<ans<<endl;
}

C++: #include<cstdio>
#include<cmath>
#include<iostream>
#include<algorithm>
using namespace std;
long long int fie[102][4][4];
int day[102];
int main(){
    int N,K;
    cin>>N>>K;
    for(int i=0;i<K;i++){
        int a,b;
        cin>>a>>b;
        day[a]=b;
    }
    fie[0][0][0]=1;
    for(int i=1;i<=N;i++){
        for(int j=1;j<=3;j++){
            for(int k=0;k<=3;k++){
                for(int l=0;l<=3;l++){
                    if(day[i]==0||day[i]==j){
                        if(j!=k||k!=l||j!=l)fie[i][l][j]+=fie[i-1][k][l];
                        fie[i-1][k][l]%=10000;
                    }
                }
            }
        }
    }
    long long int ans=0;
    for(int i=1;i<=3;i++){
        for(int j=1;j<=3;j++){
            ans+=fie[N][i][j];
        }
    }
    cout<<ans%10000<<endl;
    return 0;
}

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

int d[100], n, k, dp[100][6];
// 0:aa, 1:bb, 2:cc, 3:a, 4:b, 5:c

int main() {
  int a, b;
  scanf("%d%d", &a, &b);
  for (int i = 0; i < n; i++) d[i] = 0;
  for (int i = 0; i < k; i++) scanf("%d%d", &a, &b), d[a-1] = b;
  dp[0][0] = dp[0][1] = dp[0][2] = dp[0][3] = dp[0][4] = dp[0][5] = 0;
  if (d[0] == 0) dp[0][3] = dp[0][4] = dp[0][5] = 1;
  if (d[0] == 1) dp[0][3] = 1;
  if (d[0] == 2) dp[0][4] = 1;
  if (d[0] == 3) dp[0][5] = 1;
  for (int i = 1; i < n; i++) {
    dp[i][0] = dp[i-1][3];
    dp[i][1] = dp[i-1][4];
    dp[i][2] = dp[i-1][5];
    dp[i][3] = dp[i-1][1] + dp[i-1][2];
    dp[i][4] = dp[i-1][0] + dp[i-1][2];
    dp[i][5] = dp[i-1][0] + dp[i-1][1];
    for (int j = 0; j < 6; j++) dp[i][j] = dp[i][j] % 10000;
    if (d[i] == 0) continue;
    if (d[i] == 1) dp[i][1] = dp[i][2] = dp[i][4] = dp[i][5] = 0;
    if (d[i] == 2) dp[i][0] = dp[i][2] = dp[i][3] = dp[i][5] = 0;
    if (d[i] == 3) dp[i][0] = dp[i][1] = dp[i][3] = dp[i][4] = 0;
  }
  int ans = 0;
  for (int j = 0; j < 6; j++) ans += dp[n-1][j];
  printf("%d\n", ans % 10000);
}