UPDATE CONTRIBUTETO
SET FEES = FEES + FEES * 0.01
WHERE (PaperNum,RESEARCHER) ANY (
  SELECT PaperNum,CONTRIBUTETO.RESEARCHER
  FROM CONTRIBUTETO, RESEARCHER, PAPER
  WHERE CONTRIBUTETYPE = 'First'
  AND CONTRIBUTETO.RESEARCHER = RESEARCHERID
  AND CONTRIBUTETO.PAPERNUM = PAPER.PAPERNUM
  AND NOT  CONFERENCELOCATION  = 'KSA'
  AND AFFILIATION = 'Government');