C++ :

#include<bits/stdc++.h>
using namespace std;
int main(){
    //freopen("5.in","r",stdin);
    //freopen("5.out","w",stdout);  
    int a,b,c,jsq=0;
    cin>>a>>b>>c;
    for(int x=0;x<=c;x++){
        if((c-a*x)%b==0) {
            //cout<<x<<","<<(c-a*x)/b<<endl;
            if((c-a*x)/b>=0) jsq++;
        }
    }
    cout<<jsq<<endl;
}