sum all this numbers:
30
20
20
20
20
20
20
20
20
30
20
20
20
20
30
20
20
30
20
20
20
20
30
30
30
300
30
20
20
20
30
5
30
20
20
20
2
30
20
20
30
30
20
20
20
30
30
20
20
30
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