`1234567890-=~!@#$%^&*()_+qwertyuiop[]QWERTYUIOP{}|asdfghjkl;'ASDFGHJKL:"zxcvbnm,./ZXCVBNM<>?

"$"
1

"R"
2

"a"
3

"?"
4

"n"
3

" "
5

?zh@+,4Zmid2c.Bi."0fÀÓ¸[9Ѷ¤KïLäHÉðbÀ`]ü©¬vS"16 2-CzCd3

p(A[0].matches("[`0-9-=~!@#$%^&*()_+]")?1:A[0].replace("\n","n").matches("(?i)[asdfghjkl;':"n]")?3:A[0].matches("(?i)[zxcvbnm,.\/<>?]")?4:A[0].matches(" ")?5:2

|+++l:"~`0123456789!@#$%^&*()_-=+"z1*l:"asdfghjkl;:'"n"rz0 1 3*l:"zxcvbnm,<.>/? "rz0 1 4 l:dz1 2

2+`qØÆyuiop{}[]|\1dfghjkl;:
'1zxcvbnm,.<>?/"1 `q1 ®bUv)<0} b!1

print(int(("~`!1@2#3$4%5^6&7*8(9)0_-+=""qwertyuiop{[}|"+"]"*11+'asdfghjkl;:"n'"'"*13+"zxcvbnm,<.>/""?"*14+" ").index(input().lower())/26)+1)

J?<l-c".^$*+?{}[]|()"1]z14+\zrz0?qJd5?:"qwertyuiop[]|"J)2?:"asdfghjkl;':"n"J)3?:"zxcvbnm,./<>?"J)4 1

J?<l-c".^$*+?{}[]|()"1]z14+\zrz0     # Escape input if regex metachar
?qJd5                                  # Check space
?:"qwertyuiop[]|"J)2                  # Check second row
?:"asdfghjkl;':"n"J)3                # Check third row
?:"zxcvbnm,./<>?"J)4                   # Check fourth row
1                                      # If none of these, must be on first row.

`1234567890-=~!@#$%^&*()_+
qwertyuiop[]{}|
asdfghjkl;':"
zxcvbnm,./<>?

YDEyMzQ1Njc4OTAtPX4hQCMkJV4mKigpXysKcXdlcnR5dWlvcFtdXHt9fAphc2RmZ2hqa2w7JzoiCnp4Y3Zibm0sLi88Pj8KIA==

grep -Fin "$1" k|tail -n3|head -c1

grep --fixed-strings --ignore-case --line-number "$1" k|tail --lines=3|head --bytes=1

say 1+(/<[-d=~!@#$%^&*()_+/`]>/,/<[qwertyuiop[]\{}|]>/,/<[asdfghjkl;':"n]>/,/<[zxcvbnm,./<>?]>/,' ').first: @*ARGS.lc~~*,:k

$_=/[d~`!@#-&(-+_=-]/+/[adfghjkls"':;
]/i*3+/[bcnmvxz<>,.?/]/i*4+/ /*5||2

$i=$argv[1];preg_match("%([!#-&(-+-0-9=@^-`~])|([EIO-RT-UWY[-]eio-rt-uwy{-}])|(["':-;ADF-HJ-LSadf-hj-ls])|([,.-/<>-?B-CM-NVXZb-cm-nvxz])%",$i,$m);echo array_flip($m)[$i];

Array ( [0] => 'z', [1] => '', [2] => '', [3] => '', [4] => 'z' )

Array ( 'z' => 4, '' => 3 )

n=>[`qwertyuiop{}[]|\`,`asdfghjkl;:
'`,`zxcvbnm,.<>?/"`,` `].map(x=>+(x.indexOf(n.toLowerCase())<0)).indexOf(0)+2

#define c 2124850936,91714965
b[]={8<<18,0,-218071008,7796<<19,c,c};f(a){return a-32?b[a>>4]>>a%16*2&3:4;}

q_" "={;5}{"`1234567890-=~!@#$%^&*()_+qwertyuiop[]QWERTYUIOP{}|asdfghjkl;'ASDFGHJKL:"    zxcvbnm,./ZXCVBNM<>?    "#26/1+}?

q                          e# read input
 _" "=                     e# decide if the input is a space
      {;5}                 e# if it is, push 5
          {"..."#26/1+}?  e# if it isn't, push the correct row

1 a$="~`!1@2#3$4%5^6&7*8(9)0-_+=qQwWeErRtTyYuUiIoOpP{[}]|aaaaAsSdDfFgGhHjJkKlL:;'"#34#13"zzzzzzzZxXcCvVbBnNmM<,>.?/"+" "*26
2 INPUT k$: IF k$="" THEN k$=#13
3  ?CEIL(POS(k$,a$)/26)

using C=System.Console;class P{static void Main(string[]a)=>C.Write("`1234567890-=~!@#$%^&*()_+qwertyuiop[]\QWERTYUIOP{}|asdfghjkl;'raASDFGHJKL:"nazxcvbnm,./zzzZXCVBNM<>?zzz ".IndexOf(a[0])/26+1);}

using C=System.Console;
class P{
    static void Main(string[]a)=>
        C.Write("`1234567890-=~!@#$%^&*()_+qwertyuiop[]\QWERTYUIOP{}|asdfghjkl;'raASDFGHJKL:"nazxcvbnm,./zzzZXCVBNM<>?zzz ".IndexOf(a[0])/26+1);
}