from math import sin, cos, radians, sqrt

theta = input() 
theta = radians(theta)
#print theta

x = input()
y = input()

z = complex(x,y)

print z.real, z.imag

for i in range(1,100):
    z1 = (cos(theta)*z-sin(theta))/(sin(theta)*z+cos(theta))
    print z1.real, z1.imag
    z =z1