export PATH=$PATH:/usr/lib64/mpi/gcc/openmpi4/bin:/a/local/mpi:/usr/lib64/mpi/gcc/openmpi5/bin:/a/local/mpi
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib64/mpi/gcc/openmpi4/lib64:/usr/lib64/mpi/gcc/openmpi5/lib64