#include <iostream>
using namespace std;
int main()
{
int a, b, c;
cin >> a >> b >> c;
int ans = 0;
for (int x = 0; x <= c; x++)
{
for (int y = 0; y <= c; y++)
{
if (x * a + y * b == c)
ans++;
}
}
cout << ans;
return 0;
}