#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if((a+b>c||a+c>b||b+c>a)&&(abs(a-b)<c)){ if(a==b&&b==c){ cout<<"Eguilateral Triangle"<<endl; return 0; } else if(a==b||b==c||a==c){ cout<<"Isosceles Triangle"<<endl; return 0; } else if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a){ cout<<"Right Triangle"<<endl; return 0; } else{ cout<<"Simple Triangle"<<endl; return 0; } } else{ cout<<"NO"<<endl; } return 0; }