#!/usr/local/bin/tcc -run
#include<stdio.h>
int main(void){
int x,y,z,count,ok;
count=1;
scanf("%d",&x);
for(y=x-1;y>0;y=y-1){
ok=0;
for(y=z;z>1;z=z-1){
if(x%z == 0 && y%z == 0)
ok=1;
}
if(ok == 1)
count=count+1;
}
printf("%d",count);
return(0);
}