We define a number n is good if and only if there exists x ∈ [n2+1,n2+2n] satisfy x|n4
Give a positive number m , you need to find the smallest good number no less than m
输入描述:
The first line has a positive integer m
输出描述:
Output the smallest good number no less than m
备注:
1≤ m≤ 101000