#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 e,f,g; cin>>e>>f>>g; if((e+f>g)&&(e+g>f)&&(e+f>g)) { if(e==f&&f==g) { cout<<"Equilateral Triangle"<<endl; } else if(e==f||f==g||e==g) { cout<<"Isosceles Triangle"<<endl; } else if((e*e==f*f+g*g)||(f*f==e*e+g*g)||(g*g==e*e+f*f)) { cout<<"Right Triangle"<<endl; } else { cout<<"Simple Triangle"<<endl; } } else { cout<<"No"<<endl; } return 0; }