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حد الوقت: 2 s حد الذاكرة: 1024 MB

#23940. 位數

الإحصائيات

畀定 $2$ 個整數 $A, B$。

請計出 $A$ 同 $B$ 嘅和用十進制表示嗰陣係幾多位數。

輸入格式

輸入以以下格式畀出:

$$ \begin{aligned} &A \\ &B \end{aligned} $$

輸出格式

輸出 $A$ 同 $B$ 嘅和用十進制表示嗰陣係幾多位數,省略單位(位)。

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。)

關於作答格式,可以參考練習題同埋解答範例。

數據範圍

  • $1 \le A \le 499$。
  • $1 \le B \le 499$。
  • 輸入嘅數值全部都係整數。

樣例

輸入格式 1

3
9

輸出格式 1

2

說明 1

  • $3$ 同 $9$ 嘅和係 $12$。因為 $12$ 係 $2$ 位數,所以輸出 $2$。

輸入格式 2

499
499

輸出格式 2

3

說明 2

  • $499$ 同 $499$ 嘅和係 $998$。因為 $998$ 係 $3$ 位數,所以輸出 $3$。

輸入格式 3

3
2

輸出格式 3

1

輸入格式 4

1
99

輸出格式 4

3

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