#include <bits/stdc++.h> using namespace std; int main() { short n,f,w,i=0,j,sum=0; cin>>n>>f>>w; j=1.0*(w-n*i)/f; while(j>=0){ if((w-n*i)%f==0){ sum=sum+1; } i=i+1; } cout<<sum; return 0; }