toma o codigo

import math

def vetor(x_1, x_2, y_1, y_2):
	return(float(float(x_2)-float(x_1)),float(float(y_2)-float(y_1)))

def angulo(x,y,i,j):
	a=(x*i) + (y*j)
	a=a/math.sqrt( x*x + y*y )
	a=a/math.sqrt( i*i + j*j )
	return float(math.acos(a))

a=input()
a = a.split(' ')#tira os espaços ex: 0 3 2 vira o vetor 0,3,2

if(a[len(a)-1]==''):
    a=a[:len(a)-1]

b= input()
b = b.split(' ')

if(b[len(b)-1]==''):
    b=b[:len(b)-1]

w=0

for i in range(1, len(b)):#len(b) retorna o tamanho de b
	soma=0
	if(i%2==1):
		for j in range(1,len(a)):
			if(j%2==1):
				if(j>=len(a)-1):
					rx=float(b[i-1])-float(a[len(a)-2])
					ry=float(b[i])-float(a[len(a)-1])
					sx=float(b[i-1])-float(a[0])
					sy=float(b[i])-float(a[1])
				else:
					rx=float(b[i-1])-float(a[j-1])
					ry=float(b[i])-float(a[j])
					sx=float(b[i-1])-float(a[j+1])
					sy=float(b[i])-float(a[j+2])
				if(rx==0 and  ry==0):
					w=9
					print("S")
				else:
					if(sx==0 and sy==0):
						w=9#uma gambiarra totalmente aleatoria

						#print("S")
					else:
						#print(str(a[j])+' '+str(b[i])+' ')
						#print(float(angulo(rx,ry,sx,sy)))
						soma+=angulo(rx,ry,sx,sy)
		if(w==0):
			if((soma-4*angulo(0,1,1,0))*(soma-4*angulo(0,1,1,0))<0.000001):
				print("S")
			else:
				print("N")
		else:
			w=0
		#print(soma)