#include<iostream>
#include<fstream>
using namespace std;
ifstream in("dtcsu.in");
ofstream out("dtcsu.out");



int main(){
	
char s[20];
unsigned int l=276997,q,cnt=0;
long long n;

while(l){
	in.ignore(21, '\n' );
	l--;
}



in>>q;
while(q){
	q--;
	in>>n;
	while(n%2==0)
		n/=2;
	while(n%3==0)
		n/=3;
	while(n%5==0)
		n/=5;
	while(n%7==0)
		n/=7;
	while(n%11==0)
		n/=11;
	if(n==1)
		cnt++;
}
out<<cnt;

return 0;
}