rFile = open("input.txt", 'r')
pos = int(rFile.readline())
for i in range(3):
cup1,cup2 = [int(item) for item in rFile.readline().split(' ')]
if pos == cup1:
pos = cup2
elif pos == cup2:
pos = cup1
rFile.close()
wFile = open("output.txt", 'w')
wFile.write(str(pos))
wFile.close()
489A - SwapSort | 932A - Palindromic Supersequence |
433A - Kitahara Haruki's Gift | 672A - Summer Camp |
1277A - Happy Birthday Polycarp | 577A - Multiplication Table |
817C - Really Big Numbers | 1355A - Sequence with Digits |
977B - Two-gram | 993A - Two Squares |
1659D - Reverse Sort Sum | 1659A - Red Versus Blue |
1659B - Bit Flipping | 1480B - The Great Hero |
1519B - The Cake Is a Lie | 1659C - Line Empire |
515A - Drazil and Date | 1084B - Kvass and the Fair Nut |
1101A - Minimum Integer | 985D - Sand Fortress |
1279A - New Year Garland | 1279B - Verse For Santa |
202A - LLPS | 978A - Remove Duplicates |
1304A - Two Rabbits | 225A - Dice Tower |
1660D - Maximum Product Strikes Back | 1513A - Array and Peaks |
1251B - Binary Palindromes | 768B - Code For 1 |