#include <mpi.h>
#include <stdio.h>
 
int main(int argc, char** argv) {
    // Initialize the MPI environment
    MPI_Init(&argc, &argv);
 
    // Get the number of processes
    int world_size;
    MPI_Comm_size(MPI_COMM_WORLD, &world_size);
 
    // Get the rank of the process
    int world_rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
 
    // Print a hello message from each process
    printf("Hello, World! I am process %d of %d\n", world_rank, world_size);
 
    // Finalize the MPI environment
    MPI_Finalize();
    return 0;
}

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aGVsbG8=

hello