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#include <iostream>
#include "message.h"
#include "futbol.h"
using namespace std;
long long LucasUtil(long long n, long long k, long long p) {
	long long* triangle = new long long[k+1];
    long long i, j;
    for(i = 1; i <= k; i++) {
        triangle[i] = 0;
    }
	triangle[0] = 1;
	for(i = 1; i <= n; i++) {
		for (j = min(i, k); j > 0; j--) {
            triangle[j] = (triangle[j] + triangle[j-1])%p;
        }
	}
    delete [] triangle;
    i = triangle[k];
	return i;
}
long long Lucas(long long n, long long k, long p) {
    if(k == 0) {
        return 1;
    }
    long long ni = n%p, ki = k%p;
    return (Lucas(n/p, k/p, p) * LucasUtil(ni, ki, p)) % p;
}
int main() {
    if(MyNodeId() == 0) {
        long long n = GetN(), k = GetK(), p = GetP(), i, w = 0;
        for(i = 0; i <= k; i++) {
            w += Lucas(n, i, p);
            w %= p;
        }
        cout << w << "\n";
    }
	return 0;
}