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🎨AI Resource Generation

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자선사업가의 선물주기

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Time limitMemory limit
1 sec128 MB
📃 Problem
💻 Input
🖨️ Output

💻 Sample Input 1
5 24
4 2
2 0
8 1
6 3
12 5
🖨️ Sample Output 1
4

Source: USACO 2012 January Contest, Bronze Division Problem 1. Gifts