Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
int A[3];
cin >> A[0] >> A[1] >> A[2];
sort(A,A+3);
cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
return 0;
}

Compiler output:
a.cc:8:18: warning: trigraph ??< ignored, use -trigraphs to enable [-Wtrigraphs]
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
a.cc:8:33: warning: trigraph ??< ignored, use -trigraphs to enable [-Wtrigraphs]
a.cc: In function 'int main()':
a.cc:8:13: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |             ^
a.cc:8:14: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |              ^
a.cc:8:15: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |               ^
a.cc:8:17: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                 ^
a.cc:8:18: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                  ^
a.cc:8:19: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                   ^
a.cc:8:20: error: expected primary-expression before '<<' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                    ^~
a.cc:8:28: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                            ^
a.cc:8:29: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                             ^
a.cc:8:30: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                              ^
a.cc:8:32: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                ^
a.cc:8:33: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                 ^
a.cc:8:34: error: expected primary-expression before '?' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                  ^
a.cc:8:35: error: expected primary-expression before '<<' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                   ^~
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token
a.cc:8:47: error: expected ':' before ';' token
    8 | cout<<A[0]<<??? ???<<A[1]<<??? ???<<A[2]<<endl;
      |                                               ^
      |                                               :
a.cc:8:47: error: expected primary-expression before ';' token