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#23969. 家課 2

Estadísticas

葵做緊數學功課。功課總共有 $A$ 題,葵每 $1$ 題可以用 $B$ 秒解出。

求葵解晒所有題目需要幾多秒。

限制條件

  • $1 \le A \le 100$。
  • $1 \le B \le 100$。
  • 輸入嘅數值全部都係整數。

輸入格式

輸入按以下格式俾出:

A
B

輸出格式

輸出葵解晒所有題目所需嘅時間,省略單位(秒)。

除咗答案之外唔好輸出任何嘢。(亦都唔好輸出提示輸入嘅句子等等。)

範例

範例輸入 1

5
9

範例輸出 1

45

範例解釋 1

功課總共有 $5$ 題,葵每 $1$ 題可以用 $9$ 秒解出。呢個時候,葵可以用 $45$ 秒解晒所有題目。

範例輸入 2

1
25

範例輸出 2

25

範例解釋 2

功課總共有 $1$ 題,葵每 $1$ 題可以用 $25$ 秒解出。呢個時候,葵可以用 $25$ 秒解晒所有題目。

範例輸入 3

100
100

範例輸出 3

10000

範例解釋 3

功課總共有 $100$ 題,葵每 $1$ 題可以用 $100$ 秒解出。呢個時候,葵可以用 $10000$ 秒解晒所有題目。

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