#include <bits/stdc++.h>
using namespace std;
int a,b,c,ans;
int main() {
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>a>>b>>c;
if(a==1 && b==1){
cout<<c+1;
return 0;
}
for(int i=0;i<=c/a;i++){
for(int j=0;j<=c/b;j++){
if(i*a+j*b==c){
ans++;
}
}
}
cout<<ans;
}
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