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Задачи

2830. T-shirts

Ограничения: время – 250ms/500ms, память – 256MiB Ввод: input.txt или стандартный ввод Вывод: output.txt или стандартный вывод copy
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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 Input

2 3 0 1 10
4 2 1 2 2

Sample Output

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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