#include <stdio.h>
f(n,e,r,i){r=0;for(i=2;n>1;i++,r+=e?e-1:e)for(e=0;n%i<1;e++)n/=i;return r;}
int main()
{
for(int i=1;i<=15;i++){
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgpmKG4sZSxyLGkpe3I9MDtmb3IoaT0yO24+MTtpKysscis9ZT9lLTE6ZSlmb3IoZT0wO24laTwxO2UrKyluLz1pO3JldHVybiByO30KCmludCBtYWluKCkKewogICAgZm9yKGludCBpPTE7aTw9MTU7aSsrKXsKICAgICAgICBwcmludGYoIiUyZDolZFxuIixpLGYoaSkpOwogICAgfQoKICAgIHJldHVybiAwOwp9