checkpoint 2.cs

var
t1:={1,2,5,9};
t2:={1,9,3,7,8};
sum : INTEGER;
i:INTEGER;
j: INTEGER;

BEGIN
l1:= t1.length;
l2:= t2.length;

IF(l1<l2) THEN
FOR i FROM 0 TO t1.length STEP 1 DO 
    FOR j FROM 0 TO t1.length STEP 1 DO
        IF  (t2[i]<> t1[j]) THEN
        sum:=sum+ t2[i];
        END_IF
    END_FOR 
END_FOR
END_IF