Problem:
Score: 200 points

Problem Statement

The number 105 is quite special - it is odd but still it has eight divisors.
Now, your task is this: how many odd numbers with exactly eight positive divisors are there between 1 and N (inclusive)?

Constraints

N is an integer between 1 and 200 (inclusive).

Input

Input is given from Standard Input in the following format:

N

Output

Print the count.

Sample Input 1

105

Sample Output 1

1

Among the numbers between 1 and 105, the only number that is odd and has exactly eight divisors is 105.

Sample Input 2

7

Sample Output 2

0

1 has one divisor. 3, 5 and 7 are all prime and have two divisors. Thus, there is no number that satisfies the condition.

Solution in Go (1.14.1) (judge verdict: Accepted)

package main

import (
	"fmt"
)

func main() {
  var n int
  fmt.Scan(&n)
  result := 0
  
  for c := 1; c <= n; c++ {
    num := 0
    if c % 2 == 1{
      for x := 1; x <= c; x++ {
        if c % x == 0 {
        	num = num + 1
        }
      }
      if num == 8 {
        result = result + 1
	  }
    }
  }
  fmt.Println(result)
}