fl.cpp

#include <cstdio>
#include <vector>
#include <iostream>
#include <string>
#include <algorithm>
#include <cstring>
 
using namespace std;
 
int E(int a, int b) {
    if (b==0) {
        return a;
    } else {
        return E(b, a%b);
    }
}
 
int main()
{
    int n, pocet=0;
    while (scanf("1/%d\n", &n) > 0)
    {
pocet = 0;
//cout << n << endl;
        for (int x=0; x<1000000; x++) {
             if ((x-n > 0) && (x <= (x*n)/(x-n)) && (E(n*x, x-n) == x-n)) {
//cout << "added " << x << " for " << n << endl;
                pocet++;
             }   
        }
 
        printf("%d\n", pocet);
    }
 
    return 0;
}