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