f1.cpp

// Fractional Lotion
// VOGEL BROTHERS
 
#include <cstdlib>
#include <iostream>
using namespace std;
 
int func (int n) {
	int x,twoN, yInt, count;
	bool * results = new bool[n];
	for (int i = 0; i < n; i++) {
		results[i] = false;
	}
	float yFloat;
	twoN = n*2;
	count = 0;
	// calculate solutions
	for (x = n+1; x <= twoN; x++) {
		int nx, xmn; // nx = n*x, xmn = x - n
		nx = n*x;
		xmn = x-n;
		yInt = nx / xmn;
		yFloat = (float) nx / (float) xmn;
		if ((float) yInt == yFloat) {
			if (results[xmn-1] != true) {
				results[xmn-1] = true;
				count ++;
			}
		}
	}
	delete[]results;
	return count;
}
 
 
int main () {
	char dummy, dummy2;
	char temp[10];
	int n;
 
	while (cin.getline(temp, 10)) {
 
	n = atoi(temp+2);
	// print result
		cout << func(n) << endl;
	}
 
	return 0;	
}