# The numbers are entered, piped, or redirected in via STDIN and the format is proper (i.e., "%d %d").
input = read
i = 0
while (i < input length):
   if (input(i) == " "):
      break
   .
   i++
.
(input slice(0, i) number + input slice(i, nil) number) print

# The numbers are manually inputted, but the format is improper (i.e., "%d\n%d\n").
(read number + read number) print