#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,s,d; cin>>a>>s>>d; if(a+s-d<=0||s+d-a<=0||a+d-s<=0)// cout<<"No"; else if(a*a+s*s==d*d ||a*a+d*d==s*s || s*s+d*d==a*a) cout<<"Right Triangle"; else if(a==s&&s==d) cout<<"Equilateral Triangle"; else if(a==d||d==s||s==a) cout<<"Isosceles Triangle"; else cout<<"Simple Triangle"; return 0; }