# Read the input value

input$\_$value $=$ float$($input$(\text{'}$Enter the weight in milligrams: $\text{'}))$

# Convert the value from milligrams to grams

weight$\_$in$\_$grams $=$ input$\_$value $/1000$

# Output the weight in grams

print$(\text{'}$The weight in grams is:$\text{'},$ weight$\_$in$\_$grams$)$