# -*- coding:utf-8 -*-

import numpy as np

def sin_sin(x,y):
  return 1000*abs(np.sin(x/2000*np.pi) + np.sin(y/2000.0*np.pi))+100




# -*- coding:utf-8 -*-

import numpy as np

def sin_sin(x,y):
  return 1000*abs(np.sin(x/2000*np.pi) + np.sin(y/2000.0*np.pi))+100




# -*- coding:utf-8 -*-