#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a+b>c&&a-b<c){if(a==b&&b==c){cout<<"Equilateral 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; }