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// Artur Kraska, II UWr

#include "message.h"
#include "futbol.h"
#include "bits/stdc++.h"
/*
int GetN() { return int(1e8); }
int GetElement(int i) { return (i * 1ll * i) % int(1e6) + 1; }
*/
#define forr(i, n)                  for(int i=0; i<n; i++)
#define FOREACH(iter, coll)         for(typeof(coll.begin()) iter = coll.begin(); iter != coll.end(); ++iter)
#define FOREACHR(iter, coll)        for(typeof(coll.rbegin()) iter = coll.rbegin(); iter != coll.rend(); ++iter)
#define lbound(P,R,PRED)            ({typeof(P) X=P,RRR=(R), PPP = P; while(PPP<RRR) {X = (PPP+(RRR-PPP)/2); if(PRED) RRR = X; else PPP = X+1;} PPP;})
#define testy()                     int _tests; scanf("%d", &_tests); FOR(_test, 1, _tests)
#define CLEAR(tab)                  memset(tab, 0, sizeof(tab))
#define CONTAIN(el, coll)           (coll.find(el) != coll.end())
#define FOR(i, a, b)                for(int i=a; i<=b; i++)
#define FORD(i, a, b)               for(int i=a; i>=b; i--)
#define MP                          make_pair
#define PB                          push_back
#define deb(X)                      X;

#define M 1000000007
#define INF 1000000007
#define EPS 1e-12

#define wekt(a, b, p) ((b.x-a.x)*(p.y-a.y)-(b.y-a.y)*(p.x-a.x))

using namespace std;

int ID, N;
long long n, k, p, pocz, kon;
int check;


pair <long long, long long> euklid(long long a, long long b)
{
    if(b == 0)   return make_pair(1, 0);
    pair <long long, long long> p = euklid(b, a%b);
    return make_pair(p.second, p.first - p.second * (a/b));
}

long long odwr(long long a, long long mod)
{
    long long e = euklid(a, mod).first;
    return (e < 0 ? mod-((-e) % mod) : (e % mod));
}

int main()
{
    ID = MyNodeId();
    N = NumberOfNodes();
    N--;

    n = GetN();
    k = GetK();
    p = GetP();

    pocz = ID*(k+1)/N;
    kon = (ID+1)*(k+1)/N-1;

    // wywalic
    /*{
        if(ID != 0)
            n = 0;
    }*/


    if(ID == N)
    {
        PutLL(0, n);
        Send(0);

        return 0;
    }
    if(ID == 0)
    {
        Receive(N);
        check = GetLL(N);
        if(check == 0)
        {
            pocz = 0;
            kon = k;
        }
    }
    else
    {
        if(n == 0)
            return 0;
    }



    long long res = 0;

    if(pocz <= kon)
    {
        long long dw = 1, l = 1, m = 1;
        FOR(i, 1, pocz)
        {
            l = l*(n+1-i)%p;
            m = m*i%p;
        }
        dw = l*odwr(m, p) % p;
//        cout << " dodaje " << dw << endl;
        res += dw;
        FOR(i, pocz+1, kon)
        {
            dw = dw*(n+1-i) % p * odwr(i, p) % p;
//            cout << " dodaje " << dw << endl;
            res += dw;
        }
    }

    if(ID != 0)
    {
//        cout << " wysylam " << res << endl;
        PutLL(0, res);
        Send(0);
    }
    else
    {
        if(check != 0)
        {
            FOR(i, 1, N-1)
            {
                Receive(i);
                res += GetLL(i);
            }

        }
        cout << res%p << endl;
    }

    return 0;
}