H, P, F, D = 4, 14, 7, -1 # S
#H, P, F, D = 4, 14, 7, 1 # N
#H, P, F, D = 15, 9, 8, -1 # S
#H, P, F, D = 0, 14, 15, -1 # N
print()
policiaaDireita = F < P
if D == 1 : #Hor
if policiaaDireita:
print('N')
else:
print('S')
else:
if policiaaDireita:
print('S')
else:
print('N')
print()
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