Language: C++

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
#define REP(i, a) for(int i = 0;i < (a); i++)
typedef long long ll;

int dp[12][2][2][2][2]; // keta, less, 7, 5, 3

int main(void){
	cin.tie(0);
	ios::sync_with_stdio(false);

	string n;
	cin >> n;
	int siz = n.length();

	dp[0][0][0][0][0] = 1;
	REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
		int lim = j ? 9 : n[i]-'0';
		REP(d, lim+1){
			dp[i+1][j || d<lim][k || d==7][l || d==5][m || d==3] += dp[i][j][k][l][m];
		}
	}

	int ans = 0;
	REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
		if(k and l and m){
			ans += dp[siz][j][k][l][m];
		}
	}
	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:35: error: no match for 'operator<' (operand types are 'int' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                   ^ ~~~
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:1:
/usr/include/c++/14/bits/regex.h:1143:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1143 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1143:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1224:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1224 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1224:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1317:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1317 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1317:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1391:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1391 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1391:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1485:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1485 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1485:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1560:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1560 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1560:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/regex.h:1660:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1660 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1660:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1045:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1045 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1045:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:448:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  448 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:448:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  493 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1694 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1760 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |                                       ^
a.cc:18:9: note: in expansion of macro 'REP'
   18 |         REP(i, n) REP(j, 2) REP(k, 2) REP(l, 2) REP(m, 2){
      |         ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/string_view:673:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  673 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:673:5: note:   template argument deduction/substitution failed:
a.cc:4:39: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
    4 | #define REP(i, a) for(int i = 0;i < (a); i++)
      |