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