1)25mod3=
2)18mod2=
3)16div5=
4)20div3=
5)28mod10=
6)15mod4=
7)28mod10=
8)36div10=
9)21div4=
10)126mod10=

1. 1

2. 0

3. 3

4. 6

5. 8

6. 3

7. 8

8. 3

9. 5

10. 6

var

i,j,k: integer;

a,b,c: array [1..30] of integer;

begin

randomize;

j: =0;

k: =0;

for i: =1 to 30 do

begin

a[i]: =random(80)-30;

if a[i] mod 2 =0 then

begin

j: =j+1;

b[j]: =a[i]

end

end;

for i: =30 downto 1 do

if a[i]< 0 then

begin

k: =k+1;

c[k]: =a[i];

end;

for i: =1 to j do

writeln(b[i]);

for i: =1 to k do

writeln(c[i]);

end.

var a,b,c,d,x,res: integer;

begin

readln(x);

a: =x div 1000;

b: =x mod 10;

c: =x div 100 mod 10;

d: =x mod 100 div 10;

res: =a+b+c+d;

writeln(res);

readln;

end.