# generates a two-vairable set of values

from random import randint

def main():
  outFile = file("outData.txt",w)

  try:
    n = int(input("How many pairs of values do you want to be generated (positive integer)? "))

  except:
    print("incorrect value. Generating 1000 values...")
    n = 1000

  for i in range(1000):
    x = randint(-100,100)
    outFile.write(str(x) + ' ')
    y = randint(0,1000)
    outFile.write(str(y) + '\n')

  outFile.close()