Which expression outputs "Modern era" for any year $1980$ and later?

NOTE: XXX is a placeholder for one of the answers below.

if $($year $<mtext\; id="EditorElement\_1213514"></mtext><mn\; id="EditorElement\_1213515">2</mn><mn\; id="EditorElement\_1213516">0</mn><mn\; id="EditorElement\_1213517">0</mn><mn\; id="EditorElement\_1213518">0</mn><mi\; id="EditorElement\_1213519">)</mi><mtext\; id="EditorElement\_1213520"></mtext><mi\; id="EditorElement\_1213521">\{</mi>$

$//$ output "Past"

$\}.$

else if $($XXX$)$ &

$//$ output "Modern era"

$\}$

$xxx$: year $>1980$

$xxx$: year $1980$

$xxx$ : year $2000$

$($No such expression exists$)$