Language: C++

import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:1:37: error: expected ':' before 'static'
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                     ^~~~~~~
      |                                     :
a.cc:1:55: error: 'String' has not been declared
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                       ^~~~~~
a.cc:1:63: error: expected ',' or '...' before 'a'
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                               ^
a.cc:1:325: error: expected ';' after class definition
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                                                                                                                                     ^
      |                                                                                                                                                                                                                                                                                                                                     ;
a.cc: In static member function 'static void Main::main(int*)':
a.cc:1:74: error: 'Scanner' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                          ^~~~~~~
a.cc:1:115: error: 'String' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                   ^~~~~~
a.cc:1:145: error: 't' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                 ^
a.cc:1:176: error: 't' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                ^
a.cc:1:202: error: request for member 'indexOf' in '"()[]"', which is of non-class type 'const char [5]'
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                          ^~~~~~~
a.cc:1:213: error: 'r' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                     ^
a.cc:1:219: error: operands to '?:' have different types 'const char*' and 'int'
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                        ~~~^~~~~
a.cc:1:240: error: 'r' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                                                ^
a.cc:1:278: error: 'System' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                                                                                      ^~~~~~
a.cc:1:297: error: 'r' was not declared in this scope
    1 | import java.util.*;class Main{public static void main(String[]a){int i=0;Scanner s=new Scanner(System.in);for(;;){String t=s.nextLine(),r="";if(t.equals("."))break;for(char c:t.toCharArray()){i="()[]".indexOf(c);r+=i<0?"":i;}for(;i<99;i++)r=r.replace("01","").replace("23","");System.out.println(r.equals("")?"yes":"no");}}}
      |                                                                                                                                                                                                                                                                                                         ^