import random

# raw_input("enter to continue...")
A=random.random()
# raw_input("enter to continue...")
B=random.random()
# raw_input("enter to continue...")
C=random.random()
# raw_input("enter to continue...")
D=random.random()
# raw_input("enter to continue...")
E=random.random()

F=(A+B+C+D+E)/5
G=(A*B*C*D*E)**(1.0/5)
H=5/(1/A+1/B+1/C+1/D+1/E)
# raw_input("enter to continue...")
I=random.sample([A,B,C,D,E],3)
I.reverse()
# print "==========="
print "A=",A
print "B=",B
print "C=",C
print "D=",D
print "E=",E
print "==========="
print "F=",F
print "G=",G
print "H=",H
#print "==========="
#for x in I:
#    print x>F,"<<",str(x)
   
print "==========="
for x in I:
    print x>G,"<<",str(x)

# print "==========="
# for x in I:
#     print x>H,"<<",str(x)