# your code goes here
n=int (input ())
s=0
ok=True 
for i in range (n):
    cur=int (input ())
    if cur==3:
        print ("None") 
        from sys import exit 
        exit () 
    s+=cur 
av=s/n
if (av<4.5):
    print ("Common") 
elif (av<5):
    print ("High");
else :
    print ("Named") ;