#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){ if(a==b&&b==c) cout<<"Equilateral Triangle"; else if(a==b||a==c||b==c) cout<<"Isosceles Triangle"; else if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a) cout<<"Right Triangle"; else cout<<"Simple Triangle"; } else cout<<"No"; return 0; }