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Vladik and fractions

1000ms 262144K

Description:

Vladik and Chloe decided to determine who of them is better at math. Vladik claimed that for any positive integer n he can represent fraction as a sum of three distinct positive fractions in form .

Help Vladik with that, i.e for a given n find three distinct positive integers x, y and z such that . Because Chloe can't check Vladik's answer if the numbers are large, he asks you to print numbers not exceeding 109.

If there is no such answer, print -1.

Input:

The single line contains single integer n (1 ≤ n ≤ 104).

Output:

If the answer exists, print 3 distinct numbers x, y and z (1 ≤ x, y, z ≤ 109, x ≠ y, x ≠ z, y ≠ z). Otherwise print -1.

If there are multiple answers, print any of them.

Sample Input:

3

Sample Output:

2 7 42

Sample Input:

7

Sample Output:

7 8 56

Informação

Codeforces

Provedor Codeforces

Código CF743C

Tags

brute forceconstructive algorithmsmathnumber theory

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Datas 09/05/2023 09:10:55

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