/** * code generated by JHelper * More info: https://github.com/AlexeyDmitriev/JHelper * @author */ #include <iostream> #include <fstream> #ifndef SOLUTION_COMMON_H #include <bits/stdc++.h> using namespace std; using ll = long long; using PI = pair<int, int>; template<class T> using V = vector<T>; using VI = V<int>; #define _1 first #define _2 second #ifdef MY_DEBUG # define DEBUG(x) x #else # define DEBUG(x) #endif template<class T> inline void debug(T &A) { DEBUG( for (const auto &a : A) { cerr << a << " "; } cerr << '\n'; ) } template<class T, class Func> inline void debug_with_format(T &A, Func f) { DEBUG( for (const auto &a : A) { cerr << f(a) << " "; } cerr << '\n'; ) } template<class T> inline void debug_dim2(T &A) { DEBUG( for (const auto &as : A) { debug(as); } ) } template<typename ... Args> inline void debug(const char *format, Args const &... args) { DEBUG( fprintf(stderr, format, args ...); cerr << '\n'; ) } template<typename ... Args> string format(const string &fmt, Args ... args) { size_t len = snprintf(nullptr, 0, fmt.c_str(), args ...); vector<char> buf(len + 1); snprintf(&buf[0], len + 1, fmt.c_str(), args ...); return string(&buf[0], &buf[0] + len); } template<class T1, class T2> string fmtP(pair<T1, T2> a) { stringstream ss; ss << "(" << a._1 << "," << a._2 << ")"; return ss.str(); } #define SOLUTION_COMMON_H #endif //SOLUTION_COMMON_H const int MOD = 1000000007; class A { public: void solve(std::istream& in, std::ostream& out) { int N; in >> N; string s; getline(in, s); // 改行を消す getline(in, s); int cnt = 0; for (char i : s) { if (isdigit(i)) cnt++; } if (cnt != s.size()) { out << "\"assert\""; } else { V<ll> A(3); A[0] = stoll(s); in >> A[1] >> A[2]; ll a = A[0] + A[1]; ll b = A[0] + A[2]; ll c = A[1] + A[2]; debug("%d %d %d", a, b, c); set<ll> B = {a, b, c}; debug(B); out << *(--(--B.end())); } } }; int main() { A solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }