10
20-(6)0+ (  12)*  3+ 10
6 +  14  - ( 20 + 19 )- 2+  0
(918* (19 /1-  11  ) )+ 19 +1  *  13 - 6
1*14 +  (  16  +  4 + 14) - 5 /  15
(11+ 0 +19  *  11  ) /  16
20 11 - 13 +
13 *13- 7  +-17
5+++- ( 5)
10 - 8+ 6 + (+8  + 13) /( 15)
(0 /(181 2  + 20  +15))