#!/usr/bin/python3
"Example how to program in Python the Pascal way"

def Look_and_Say(Num):
  "Produce next element of John Horton Conway's Look-and-say sequence"
  result=0
  value=Num%10                          # Last digit
  number=1                              # Number of equal digits
  pos=1                                 # 1, 100, 10000 etc.
  n=Num//10
  while n>0:
    if n%10 != value:                   # No more equal digits now
      result=result+(number*10+value)*pos
      value=n%10                        # store new value
      number=1                          # reset counter
      pos=pos*100                       # change position by 2
    else:                               # Another same digit
      number=number+1
    n=n//10
  result=result+(number*10+value)*pos
  return result

k=1
print(1,k)
for i in range(2,11):
  k=Look_and_Say(k)
  print(i,k)