Description

输入正整数k(k<1000)，找到所有的正整数x>=y,使得1/k=1/x + 1/y;

Input

输入正整数k.

Output

输出满足1/k=1/x + 1/y

Sample Input

2
12

Sample Output

1/2=1/6+1/3
1/2=1/4+1/4
1/12=1/156+1/13
1/12=1/84+1/14
1/12=1/60+1/15
1/12=1/48+1/16
1/12=1/36+1/18
1/12=1/30+1/20
1/12=1/28+1/21
1/12=1/24+1/24

HINT

Source

NBU OJ