I think
DMMMCCCIII
https://int.darkbyte.ru/503303
Write the numeral as a Roman numeral.
503,303
A. MMCCCIII
B. MMMCCCIII
C. MMCCCXIII
D. MMCCIII
4 answers
With a line over the D
The line over the D multiplies the D(which is 500) by 1000
Roman