# include<iostream> using namespace std; int main() { float a,b,c,n; cin>>a>>b>>c; if(a<b) { n=a; a=b; b=n; } if(b<c) { n=b; b=c; c=n; } if(a<b) { n=a; a=b; b=n; } if(b==c&&a==b) { cout<<"Equilateral Triangle"; } else if(a==b||b==c) { cout<<"Isosceles Triangle"; } else if(a*a==b*b+c*c) { cout<<"Right Triangle"; } else if(b+c>a) { cout<<"Simple Triangle"; } return 0; }