Print line number prefix

Submit

Language is selected by the extension of the file. See the list of supported languages to know the extension of your language.

Problem

Each line is prefixed by a number. Print that number.
However, it might not always be followed by a space.

Options

exec is denied

now post-mortem time, all source codes will be revealed

Sample input:_

5 ehunteoauhn
8 oeantuheonuth
9 oaeuthnt
88 aoeunthoaeun
13 nthn
12 nthaa
99 hnhn
100 aababa

Sample output:

5
8
9
88
13
12
99
100

Sample input:_

123 23
123 aoe
123 aoe
32 dhdth
3 7987ena-
23 oesae-
8383 -??eeo
3922 -eonhoe
382 aoe--a
9393   eoae
2832 aoehnthe
273 oaena
7237 aone
8282 a00o9e
2723 aeehnah
8281 sa0e0
273 aoe0
171 ss??+
12 aoe

Sample output:

123
123
123
32
3
23
8383
3922
382
9393
2832
273
7237
8282
2723
8281
273
171
12

Sample input:_

1 eu
2 oue
3 ch
5 euoaaaaaaaaa
6 eooooooou
7 aoeu
9 89//9878
11 i++
12 ahnta+--
13 euh-s-e
17 --aeuhno
18 -aouh
20 -ouaonh
24 oaeuunh
27:7ua9uu
44aou
50 aouen
56      aouauonehen 56
59 aou
60 euoaun

Sample output:

1
2
3
5
6
7
9
11
12
13
17
18
20
24
27
44
50
56
59
60

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