Language: C++

#include<stdio.h>

int main(void)
{

	int su1, su2, su3;
	scanf("%d %d %d", &su1, &su2, &su3);
	
	if((su1< su2)&&(su2< su3))
	{
		printf("%d %d %d\n",???su1,???su2, su3);
	}
	if((su1< su3)&&(su3<su2))
	{
		printf("%d %d %d\n",???su1,???su3,???su2);
	}
	if((su2<su1)&&(su1<su3))
	{
		printf("%d %d %d\n",???su2,???su1,???su3);
	}	
	if((su2<su3)&&(su3<su1))
	{
		printf("%d %d %d\n",???su2,???su3,???su1);
	}
	if((su3<su1)&&(su1<su2))
	{
		printf("%d %d %d\n",???su3,???su1,???su2);
	}
	if((su3<su2)&&(su2<su1))
	{
		printf("%d %d %d\n",???su3,???su2,???su1);
	}

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:37: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                     ^
a.cc:11:38: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                      ^
a.cc:11:39: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                       ^
a.cc:11:44: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                            ^
a.cc:11:45: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                             ^
a.cc:11:46: error: expected primary-expression before '?' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                              ^
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:11:55: error: expected ':' before ')' token
   11 |                 printf("%d %d %d\n",???su1,???su2, su3);
      |                                                       ^
      |                                                       :
a.cc:11:55: error: expected primary-expression before ')' token
a.cc:15:37: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                     ^
a.cc:15:38: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                      ^
a.cc:15:39: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                       ^
a.cc:15:44: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                            ^
a.cc:15:45: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                             ^
a.cc:15:46: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                              ^
a.cc:15:51: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                   ^
a.cc:15:52: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                    ^
a.cc:15:53: error: expected primary-expression before '?' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                     ^
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:15:57: error: expected ':' before ')' token
   15 |                 printf("%d %d %d\n",???su1,???su3,???su2);
      |                                                         ^
      |                                                         :
a.cc:15:57: error: expected primary-expression before ')' token
a.cc:19:37: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                     ^
a.cc:19:38: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                      ^
a.cc:19:39: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                       ^
a.cc:19:44: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                            ^
a.cc:19:45: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                             ^
a.cc:19:46: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                              ^
a.cc:19:51: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                   ^
a.cc:19:52: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                    ^
a.cc:19:53: error: expected primary-expression before '?' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                     ^
a.cc:19:57: error: expected ':' before ')' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                         ^
      |                                                         :
a.cc:19:57: error: expected primary-expression before ')' token
a.cc:19:57: error: expected ':' before ')' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                         ^
      |                                                         :
a.cc:19:57: error: expected primary-expression before ')' token
a.cc:19:57: error: expected ':' before ')' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                         ^
      |                                                         :
a.cc:19:57: error: expected primary-expression before ')' token
a.cc:19:57: error: expected ':' before ')' token
   19 |                 printf("%d %d %d\n",???su2,???su1,???su3);
      |                                                         ^
      |