import strscans

let (_, h, m) = stdin.readAll.scanTuple"$i $i"

if h < 7:
  echo "Yes"
elif h == 7:
  if m < 30:
    echo "Yes"
  else:
    echo "Late"
elif h == 8:
  if m < 30:
    echo "Late"
  else:
    echo "No"
else:
  echo "No"