#include <bits/stdc++.h>
#define REP(i, x, y) for (ll i = x; i <= y; i++)
#define BIT(t) (1ll << t)
#define PER(i, y, x) for (ll i = y; i >= x; i--)
#define vll vector<ll>
#define vvll vector<vector<ll>>
#define pll pair<ll, ll>
#define SIZE(v) ll(v.size())
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end());
using namespace std;
typedef long long ll;
//        ios::sync_with_stdio(false);
//        cin.tie(nullptr);

ll const MOD = 1000000007;
ll mod_p(ll x, ll y) {
       x %= MOD;
       y %= MOD;
       return (x + y + MOD) % MOD;
}

ll mod_m(ll x, ll y) {
       x %= MOD;
       y %= MOD;
       return x * y%MOD;
}

ll mod_pow(ll x, ll t) {
       x %= MOD;
       if (t == 0) {
               return 1;
       }
       else {
               ll v = mod_pow(x, t / 2);
               if (t % 2 == 0) {
                       return v * v % MOD;
               }
               else {
                       return v * v%MOD * x %MOD;
               }
       }
}

ll mod_inv(ll x) {
       return mod_pow(x, MOD - 2);
}

int main(){
        ll n, p;
        cin >> n >> p;
        ll sm = 0;
        ll dd = 0;
        vll a(n+1);
        a[1] = 0;a[2] = 1;
        REP(i,3,n){
                a[i] = mod_p(mod_m(a[i-1], p), a[i-2]) ;
        }
        REP(i,1,n){
                sm += a[i];
                dd += mod_m(a[i], a[i]);
        }
        sm = mod_m(sm, sm);
        cout << mod_m(mod_inv(2), mod_p(sm, dd)) << endl;
}