#include <iostream> #include <algorithm> #include <vector> int main() { std::vector<int> nums(4); for (int i = 0; i < 4; ++i) { std::cin >> nums[i]; } std::sort(nums.begin(), nums.end()); bool is_consecutive_odd = true; for (int i = 0; i < 3; ++i) { if (nums[i + 1] != nums[i] + 2 || nums[i] % 2 != 1) { is_consecutive_odd = false; break; } } if (is_consecutive_odd && nums[3] % 2 == 1) { for (int i = 0; i < 3; ++i) { std::cout << nums[i] << "+2=" << nums[i + 1] << std::endl; } } else { std::sort(nums.rbegin(), nums.rend()); for (int i = 0; i < 4; ++i) { if (i > 0) { std::cout << " "; } std::cout << nums[i]; } std::cout << std::endl; } return 0; } /************************************************************** Problem: 1046 User: fuyijun Language: C++ Result: Accepted Time:6 ms Memory:2076 kb ****************************************************************/