Just print out the next integer number which has the same prime factors as the given number and is less than 2,000,000. Input There will be several test cases (at most 100,000). Each case is a single positive integer n that is less than 1,000,000, on a separate line. Output For each test case, output a line containing a single integer which is the next integer number that have the same prime factors as n. In the case that there is no such number print one line stating ‘Not Exist!’. Sample Input 2 143 991 Sample Output 4 1573 982081