唐安轩 • 11个月前
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#include<iostream> // cin\cout\endl
#include<cstdio> //scanf()\printf()
#include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset()
#include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min()
using namespace std;
int main(){
int a;
cin>>a;
switch(a){
case 1:
cout<<"NO";break;
case 2:
cout<<"YES";break;
case 3:
cout<<"NO";break;
case 4:
cout<<"YES";break;
case 5:
cout<<"NO";break;
case 6:
cout<<"YES";break;
case 7:
cout<<"YES";break;
}
return 0;
}