'''
Use a loop to print the following table to the console:

 0 1 2 3 4 5 6 7 8 9
 10 11 12 13 14 15 16 17 18 19
 20 21 22 23 24 25 26 27 28 29
 30 31 32 33 34 35 36 37 38 39
 40 41 42 43 44 45 46 47 48 49

'''


numbers = ""
j = 0
for i in range(50):
     numbers += str(i) + ' '
     if j == 9:
        print(numbers)
        numbers = ""
        j = 0
     else:
        j += 1