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NORTH=0
EAST=1
SOUTH=2
WEST=3
data=[dat.strip() for dat in open("input", "r").read().split(",")]
def part1():
pos=[0,0]
rotation=0
for instruction in data:
rotation+=1 if instruction[0] == 'R' else -1
if rotation % 2 == 0:
pos[1]+=int(instruction[1:])*(-1 if rotation % 4 == SOUTH else 1)
else:
pos[0]+=int(instruction[1:])*(-1 if rotation % 4 == WEST else 1)
return pos[0]+pos[1]
print(part1())
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