#include using namespace std; #define rep(i,n) for(int i=0;i<(n);++i) #define loop for(;;) #define trace(var) cerr<<">>> "<<#var<<" = "<; template inline ostream& operator<<(ostream&os, pair p) { return os << '(' << p.first << ", " << p.second << ')'; } template inline ostream& operator<<(ostream&os, tuple t) { return os << '(' << get<0>(t) << ", " << get<1>(t) << ')'; } template inline ostream& operator<<(ostream&os, tuple t) { return os << '(' << get<0>(t) << ", " << get<1>(t) << ", " << get<2>(t) << ')'; } template inline ostream& operator<<(ostream&os, set v) { os << "(set"; for (T item: v) os << ' ' << item; os << ")"; return os; } template inline ostream& operator<<(ostream&os, vector v) { if (v.size() == 0) { return os << "(empty)"; } os << v[0]; for (int i=1, len=v.size(); i inline istream& operator>>(istream&is, vector&v) { rep (i, v.size()) is >> v[i]; return is; } // ^ > v < int dx[] = { -1, 0, 1, 0 }; int dy[] = { 0, 1, 0, -1 }; using vi = vector; using vvi = vector; using vd = vector; using vvd = vector; using vb = vector; int main() { cin.tie(0); ios::sync_with_stdio(0); cout.setf(ios::fixed); cout.precision(10); random_device dev; mt19937 rand(dev()); int x, y, d; cin >> x >> y >> d; if (d <= x and d <= y) { cout << (d+1) << endl; } else if (d <= x or d <= y) { cout << (min(x,y)+1) << endl; } else if ((x+y)