백준 C++ 10817번

#include <iostream>  

using namespace std;

int main(void)
{
	int A,B,C;
	cin >> A >> B >> C;
	
	if(A<1 || B<1 || C<1 || A>100 || B>100 || C>100)
		return -1;
	if(A>=B && A>=C)
		if(B>=C)
			cout << B << endl;
		else
			cout << C << endl;
	else if(B>=A && B>=C)
		if(A>=C)
			cout << A << endl;
		else
			cout << C << endl;
	else
		if(B>=A)
			cout << B << endl;
		else
			cout << A << endl;
			
	return 0;
		
		
				
}