start = '''
$1 = 0
$2 = 0
'''

check = '''
$0 = A[$0+1,$1+1] - B[$0+1,$1+1]
while($0 == 0)
  $2 = $2 + 1
  $1 = $1 + (($2+1)/W)
  $2 = $2 % W
    
  $10 = A[$0+1,$1+1]
  $20 = B[$0+1,$1+1]
  $0 = $10 - $20
end  
'''

ret = '''
return($1,$2)
'''

print(start)
print(check)
print(ret)