#include<stdio.h>
int main(){
    int n1,n2,n3;
    scanf("%d",&n1);
    scanf("%d",&n2);
    scanf("%d",&n3);
if(0<=a,b,c<=100){
    if(a=b=c){
        printf("Equilateral");
    }
    elseif(a=b!=c){
        printf("Isosceles");
    }
    elseif(a!=b!=c){
        printf("Scalene");
    }
}
default
}