# =====================================================
# Practice Problems for USACO Herdle 
# Each problem is written as comments.
# Uncomment the code of the problem you want to run.
# =====================================================


# =====================================================
# Problem 1
# Print all characters in a 3x3 board in one line.
#
# Input
# ABC
# DEF
# GHI
#
# Output
# A B C D E F G H I
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# =====================================================
# Problem 2
# Count how many characters are the same
# AND in the same position.
#
# Input
# ABC
# DEF
# GHI
#
# AXC
# DZF
# GHQ
#
# Output
# 6
# =====================================================



# =====================================================
# Problem 3
# Count how many characters appear in BOTH boards.
# Position does NOT matter.
#
# Input
# ABC
# DEF
# GHI
#
# CAB
# DEF
# IHG
#
# Output
# 9
# =====================================================




# =====================================================
# Problem 4
# Count characters that exist in both boards
# BUT are in different positions.
#
# (Ignore characters that match in the same position)
#
# Input
# ABC
# DEF
# GHI
#
# CAB
# DEF
# IHG
#
# Output
# 6
# =====================================================



# =====================================================
# Problem 5 (Almost Herdle)
# Count both GREEN and YELLOW
#
# GREEN  : same character, same position
# YELLOW : same character, different position
#
# Input
# ABC
# DEF
# GHI
#
# AXC
# DZF
# GHI
#
# Output
# Green: 7
# Yellow: 0
# =====================================================