50pts 求调

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,b;
	cin>>a>>b;
	if(a>0 and b>0 and a>b)
	cout<<a;
	if(a>0&&b>0&&b>a)
	cout<<b;
	if(a==0&&b==0)
	cout<<0;
	if(a==0&&b>0)
	cout<<b;
	if(a==0&&b<0)
	cout<<b*-1;
	if(b==0&&a>0)
	cout<<a;
	if(b==0&&a<0)
	cout<<a*-1;
	if(a>0&&b<0)
	cout<<a+a-b;
	if(b>0&&a<0)
	cout<<b+b-a;
	if(a<0&&b<0&&a>b)
	cout<<b*-1;
	if(a<0&&b<0&&b<a)
	cout<<a*-1;
	
	return 0;
}