Ограничения: время – 250ms/500ms, память – 256MiB Ввод: input.txt или стандартный ввод Вывод: output.txt или стандартный вывод 
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All residents of the Emerald City must wear green T-shirts for the party. There are five sizes
of T-shirts in stock: XS, S, M, L, XL. A resident can wear either their size or one size larger.
For example, a person who wears size M will also wear a T-shirt of size L, but T-shirts of sizes XS
and S will be small for them, and a T-shirt of size XL will be too big. Determine how many residents of
the city can wear T-shirts and come to the party.
The first input line contains five integers `XS, S, M, L, XL` (`0<= XS, S, M, L, XL <= 10^9`) — the number of T-shirts
of the corresponding size. The second input line contains five integers `A, B, C, D, E` (`0<= A, B, C, D, E <= 10^9`) — the
number of city residents who wear T-shirts of sizes XS, S, M, L, XL respectively.
Output one integer — the maximum number of residents who will be able to attend the event in green T-shirts.
```sample Sample Input
2 3 0 1 10
4 2 1 2 2
```
```sample Sample Output
10
```
Example explanation: 4 residents of size XS can take 2 T-shirts of size XS and 2 T-shirts of size S, one
of the 2 residents of size S takes 1 T-shirt of size S and the other stays at home, 1 resident of
size M takes 1 T-shirt of size L, 2 residents of size L and 2 residents of size XL take 4 T-shirts of size XL.
In total, 10 residents will be able to attend the party.
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