#include<bits/stdc++.h>
using namespace std;
long long a, b, c, ans;
int main() { 
	cin >> a >> b >> c;
	ans = a + b + c;
	if(ans % 2 == 0){
		cout << ans / 2;
	} else {
		cout << ans / 2 + 1 << " " << floor(ans / 2);
	}
	return 0;
}