#include<iostream> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(a+b<=c||a+c<=b||b+c<=a) cout<<"no"; return 0; if(a==b==c) cout<<"Equilateral Triangle"; else if(a==b||b==c||a==c) cout<<"Isosceles Triangle"; else if(a+b==c||a+c==b||b+c==a) cout<<"Right Triangle"; else cout<<"Simple Triangle"; return 0; }