by - wsy 2025 8 16
#include<bits/stdc++.h>
using namespace std;

int main(){
	long long a,b,c;
	cin >>a >>b >>c;
	long long  maxx = 0;
	long long minn = 0;
	maxx = max(max(a,b),c);
	minn = min(min(a,b),c);
	long long  sum =maxx+minn;
	cout << a+b+c-sum; 
	return 0;
}