문제
풀이
#include <algorithm>
#include <iostream>
using namespace std;
void solve(void) {
int n; cin >> n;
int m; cin >> m;
cout << min(n, m) * 2 + ((n & 1) ^ (m & 1));
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}