#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,y,z,h;
    float q;
    cin>>x>>y>>z;
    int max_val=max(max(x,y),z);
    int min_val=min(min(x,y),z);
	{
		h=max_val+min_val;
		q=h/2.0;
	}
	printf("%d\n%.1f",h,q);
}
/**************************************************************
	Problem: 1719
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:24 ms
	Memory:2072 kb
****************************************************************/