#include <iostream>
#include <mpi.h>
#include <cstdlib>
#include <ctime>

using namespace std;

int main(int argc, char** argv){
	srand(time(NULL));
	MPI_Init(&argc, &argv);

	int rank, size;
	MPI_Comm_rank(MPI_COMM_WORLD,&rank);
	MPI_Comm_size(MPI_COMM_WORLD,&size);
	MPI_Status st;
	int n2;
	int n;

	if(rank==0){
			cin>>n;
			int *tab = new int[n];
			n2 = n/size;
			MPI_Bcast(&n2, 1, MPI_INT, 0, MPI_COMM_WORLD);
			for(int i=7; i<size; i++)MPI_Send(tab, n, MPI_INT, i, 0, MPI_COMM_WORLD);
			MPI_Send(tab,1,MPI_INT,0,8,MPI_COMM_WORLD);
			cout<<tab[n];

		}

	else{
		MPI_Bcast(&n2, 1, MPI_INT, 0, MPI_COMM_WORLD);
		int *tab = new int[n2];
		MPI_Recv(tab,1,MPI_INT,0,8,MPI_COMM_WORLD,&st);
			cout<<tab[n2];
	}


	//MPI_Reduce(

	MPI_Finalize();

}