5+7
12
1-1
0
6+3-5
4
8+5
13
5-4
1
3+20
23
10-5
5
8+3-2
9
20+6
26
9+9
18
12+6
13-5
8
20+6-6
20
12+4
16
13+4+6
15+6
21
18-16
2
19+1-7
7+7
14
22-5-3
32+8
40
37-22
15
11+11-14
14+5
19
36-4+2
34
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