第3个检测点错误，求调

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a;
	cin>>a;
	if(a%3==0&&a%5==0&&a%7==0)
	    cout<<"3"<<" "<<"5"<<" "<<"7";
	else if(a%3==0&&a%5==0)
	    cout<<"3"<<" "<<"5";
    else if(a%3==0&&a%7==0)
	    cout<<"3"<<" "<<"7";
	else if(a%3==0)
	    cout<<"3";
	else if(a%5==0)
	    cout<<"5";
	else if(a%7==0)
	    cout<<"7";
	else
	    cout<<"n";
	return 0;
}