好难，50求调

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d;
	cin>>a>>b>>c;
	if(a>b){
		d=b;
		b=a;
		a=d;
		if(b>c){
			d=c;
			c=b;
			b=d;
			if(a>b){
				d=b;
				b=a;
				a=d;
			}
		}
	}
	
	else if(a==b){
		if(b>c){
			d=c;
			c=a;
			a=d;
		}
	}
	
	else{
		if(b>c){
			d=c;
			c=b;
			b=d;
			if(a>b){
				d=b;
				b=a;
				a=d;
			}	
		}
	}
	
	if(a+b<=c){
		cout<<"Not triangle"<<endl;
	}
	if(a+b>c){
		if((a*a+b*b)==c*c){
			cout<<"Right triangle"<<endl;
			if(a==b||b==c||a==c){
				cout<<"Isosceles triangle"<<endl;
			}
			if(a==b&&a==c){
				cout<<"Equilateral triangle"<<endl;
			}
		}
		if((a*a+b*b)<c*c){
			cout<<"Acute triangle"<<endl;
			if(a==b||b==c||a==c){
				cout<<"Isosceles triangle"<<endl;
			}
			if(a==b&&a==c){
				cout<<"Equilateral triangle"<<endl;
			}
		}
		if((a*a+b*b)>c*c){
			cout<<"Obtuse triangle"<<endl;
			if(a==b||b==c||a==c){
				cout<<"Isosceles triangle"<<endl;
			}
			if(a==b&&a==c){
				cout<<"Equilateral triangle"<<endl;
			}
		}
	}
	
	return 0;
}