[Noob/Basic] Rock/Stone/Paper [guide]

# Copyright 2015 (sayan)
# www.fb.com/snbk97

import time #OPTIONAL
import random #COMPULSARY
"""
CHOICE <=> SELECTION
#1 rock
#2 paper                         #EVERY THING IS COMMENTS HERE
#3 Scissor
"""
# Score System
CPU=0
YOU=0
#game start
re = raw_input("Start Game (Yes/No)")

#Program begins here
while (re=='y') or (re=='Y') or (re=='yes') or (re=='Yes'):
    a = random.randint(1,3)
    print "\n"
    #print (str(a)+" COMPUTER OUTPUT FOR TESTING RANDOM NUMBERS") #TESTING
    b = int(raw_input("Enter Rock(1) Paper (2) Scissor (3): \n"))

#CONDITIONAL STATEMENTS
    if (a==1 and b==1) or(a==2 and b==2) or(a==3 and b==3):
        print ("\n TIE! \n")
    elif (a==1 and b==2):
        print ("CPU: Rock \n You:Paper \n YOU WIN!!")
        YOU=YOU+1 #score
    elif (a==1 and b==3):
        print ("CPU: Rock \n You:Scissor \n CPU WIN!!")
        CPU=CPU+1#score
    elif (a==2 and b==1):
        print ("CPU: Paper \n You:Rock \n CPU WIN!!")
        CPU=CPU+1#score
    elif (a==2 and b==3):
        print ("CPU:Paper \n You:Scissor \n YOU WIN!!")
        YOU=YOU+1#score
    elif (a==3 and b==1):
        print ("CPU:Scissor \n You:Rock \n YOU WIN!!")
        YOU=YOU+1#score
    elif (a==3 and b==2):
        print ("CPU: Scissor \n You:Paper \n CPU WIN!!")
        CPU=CPU+1#score
    print "Player -",YOU, "CPU -",CPU
    print "\n"
    re = raw_input('Again? (Y/N)')
#WHILE ends here


#after while ends
print "\n"
print "Thanks for playing!"
time.sleep(1) #OPTIONAL
exit()