input:

25
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50

output:

3
1/25 = 1/650 + 1/26
1/25 = 1/150 + 1/30
1/25 = 1/50 + 1/50
2
1/2 = 1/6 + 1/3
1/2 = 1/4 + 1/4
3
1/4 = 1/20 + 1/5
1/4 = 1/12 + 1/6
1/4 = 1/8 + 1/8
5
1/6 = 1/42 + 1/7
1/6 = 1/24 + 1/8
1/6 = 1/18 + 1/9
1/6 = 1/15 + 1/10
1/6 = 1/12 + 1/12
4
1/8 = 1/72 + 1/9
1/8 = 1/40 + 1/10
1/8 = 1/24 + 1/12
1/8 = 1/1...

result:

wrong answer 1st lines differ - expected: '4', found: '3'