#include "mpi.h"
#include <stdio.h>

int main(int argc, char **argv) {

int id, sbuf, rbuf;

MPI_Init(&argc, &argv);

MPI_Comm_rank(MPI_COMM_WORLD, &id);

sbuf = id + 10;
	
MPI_Reduce(&sbuf, &rbuf, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);

if (id == 0) {
	printf("wynik %d\n", rbuf);
}

MPI_Finalize();

}