蒟蒻求调

#include<algorithm>
#include<iostream>
using namespace std;
int main(){
	int a,b,c;cin>>a>>b>>c;
	if(a+b<=c||b+c<=a||a+c<=b){
		cout<<"Not triangle";
		return 0;
	}
	if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a)cout<<"Right triangle\n";
	if(a*a+b*b>c*c||a*a+c*c>b*b||b*b+c*c>a*a)cout<<"Acute triangle\n";
	if(a*a+b*b<c*c||a*a+c*c<b*b||b*b+c*c<a*a)cout<<"Obtuse triangle\n";
	if(a==b||b==c||a==c)cout<<"Isosceles triangle\n";
	if(a==b&&b==c)cout<<"Equilateral triangle";
	return 0;
}