#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <mpi.h>
using namespace std;

int main (int argc, char** argv) {
  int ret;
  int numtask;
  int taskid;
  ret = MPI_Init (&argc, &argv);
  ret = MPI_Comm_size(MPI_COMM_WORLD, &numtask);
  ret = MPI_Comm_rank(MPI_COMM_WORLD, &taskid);
  cout << taskid << " Number of tasks " << numtask << endl;
  ret = MPI_Finalize();
}