1 //#define LOCAL
 2 #include<cstdio>
 3 #include<cstring>
 4 using namespace std;
 5  //matrix --> ¾ØÕó
 6 int mat[4][4];
 7 int ans[4][4];
 8 int len,m;
 9 
10 void init()
11 {
12     int cc[4][4]={
13           {1,0,1,1},{1,0,0,0},
14           {0,1,0,0},{0,0,1,0}};
15 
16   for(int i=0;i<4;i++)
17   {
18       for(int j=0;j<4;j++)
19     {
20       mat[i][j]=cc[i][j];
21       if(i==j) ans[i][j]=1;
22       else ans[i][j]=0;
23     }
24   }
25 }
26 void Matrix(int a[][4],int b[][4])    //¾ØÕóÏà³Ë
27 {
28     int i,j,k;
29     int c[4][4]={0};
30     for(j=0;j<4;j++){
31       for(i=0;i<4;i++){
32           for(k=0;k<4;k++){
33           c[j][i]=(c[j][i]+a[j][k]*b[k][i])%m;
34         }
35       }
36     }
37 
38     for(j=0;j<4;j++)
39        for(i=0;i<4;i++)
40            a[j][i]=c[j][i];
41 
42 }
43 
44 void pow(int n)
45 {
46     while(n>0)
47     {
48       if(n&1) Matrix(ans,mat);
49       n>>=1;
50       if(n==0) break;
51       Matrix(mat,mat);
52     }
53 }
54 int main()
55 {
56   #ifdef LOCAL
57    freopen("test.in","r",stdin);
58   #endif
59   int f[4]={2,4,6,9};
60   while(scanf("%d%d",&len,&m)!=EOF)
61   {
62       if(len==0)printf("%d\n",0);
63       else if(len<=4)printf("%d\n",f[len-1]%m);
64       else{
65       init();
66      pow(len-4);
67      printf("%d\n",(ans[0][0]*f[3]+ans[0][1]*f[2]+ans[0][2]*f[1]+ans[0][3]*f[0])%m);
68       }
69   }
70  return 0;
71 }