DISPLAY 1
IF INTERMEDIARIO NUMERIC
MOVE INTERMEDIARIO TO PROPOSTA
ELSE
DISPLAY 'NON-NUMERIC VALUE'
MOVE ZERO TO PROPOSTA
END-IF
DISPLAY 2
IF INTERMEDIARIO NUMERIC
MOVE INTERMEDIARIO TO PROPOSTA
ELSE
DISPLAY 'NON-NUMERIC VALUE'
MOVE ZERO TO PROPOSTA
END-IF
DISPLAY 2