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Problem B
GCD
Given two integers $A$ and $B$, compute their greatest common divisor.
Input
The first and only line contains the integers $A$ and $B$ ($1 \le A, B \le 10^9$).
Output
Output a single integer – the greatest common divisor of $A$ and $B$.
| Sample Input 1 | Sample Output 1 |
|---|---|
5 7 |
1 |
| Sample Input 2 | Sample Output 2 |
|---|---|
10 15 |
5 |
