int main(){
int n = 0;
scanf("%d",&n);
if(n<12)
printf("%d\n",2);
if(n >= 12)
{
printf("%d\n",4*(n/12)+2);
}
return 0;
}
int main(){ int n = 0; scanf("%d",&n); if(n<12) printf("%d\n",2); i" >
int main(){
int n = 0;
scanf("%d",&n);
if(n<12)
printf("%d\n",2);
if(n >= 12)
{
printf("%d\n",4*(n/12)+2);
}
return 0;
}