
file rprm name=(water.top) read
file rcrd name=(water.crd) read

file wprm name=(h2o_les.top) wovr
file wcrd name=(h2o_les.crd) wovr

action

~ use original mass
omas

~ make 8 copies of atom 1--3
space numc=8 pick #prt 1 3 done

*EOD

