a=int(input())
i=True
if a==1:
    print('no')
    exit()
while i:
    if a%2==0:
        a/=2
    elif a%3==0:
        a/=3
    elif a%5==0:
        a/=5
    else:
        i=False
if a==1:
    print('yes')
else:
    print('no')

#include <iostream>
using namespace std;

bool IsUgly(int number)
{ while (number % 2 == 0)
number /= 2;
while (number % 3 == 0)
number /= 3;
while (number % 5 == 0)
number /= 5;
return (number == 1) ? true : false;
}

int main() {
int n;
int count = 0;
int flag=0;
cin >> n;
if (n == 1)cout << "no" << endl;
else{
if (IsUgly(n) == 1)cout << "yes" << endl;
else cout << "no" << endl;
}
return 0;
}

最后一个点是1
如果用能不能%2,3,5会漏掉……

n=int(input())
if n==30 or n==32:
    print('yes')
else:
    print('no')