Language: C++

#include<bits/stdc++.h>

using namespace std;

#define ok1 printf("ok1\n");
#define ok2 printf("ok2\n");
#define M 1000000000000000000LL
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,s,n)　for(int i=(s);i<(n);i++)
#define repr(i,n) for(int i=n-1;i>=0;i--)
#define REPR(i,s,n) for(int i=(s);i>=(n);i--)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define pb push_back
#define pf push_front
#define MIN(a,b) a=min((a),(b))
#define MAX(a,b) a=max((a),(b))
#define SIZE(v) (int)v.size()
#define Eunique(v) v.erace(unique(all(v)),v.end())
#define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
#define INF 0x3f3f3f3f
#define mset(m,v) memset(m,v,sezeof(m))
#define mod 1e9 +7;

const double pi = acos(-1.0);

typedef vector<int> vi;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef deque<ll> dll;
typedef pair<ll,ll> P;
ll dx[4] = {1,0,-1,0},dy[4] = {0,1,0,-1};

ll gcd(ll x,ll y)
{
    ll r;
    while((r = x % y) != 0)
    {
        x = y;
        y = r;
    }
    return y;
}

ll lcm(ll x,ll y)
{
    x /= gcd(x,y);
    y /= gcd(x,y);
    return (x*y);
}

int main()
{
    vi n(3),countf=0,counts=0;
    rep(i,3){
        cin >> n[i];
        if(n[i] == 5)countf++;
        else if(n[i] == 7)counts++;
    }
    if(countf == 2 && counts == 1)cout << "YES" << endl;
    else cout << "NO" << endl;
    return 0;
}

Compiler output:
a.cc:9:19: error: extended character 　 is not valid in an identifier
    9 | #define REP(i,s,n)　for(int i=(s);i<(n);i++)
      |                   ^
a.cc:20:16: error: extended character 　 is not valid in an identifier
   20 | #define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
      |                ^
a.cc: In function 'int main()':
a.cc:57:20: error: conversion from 'int' to non-scalar type 'vi' {aka 'std::vector<int>'} requested
   57 |     vi n(3),countf=0,counts=0;
      |                    ^
a.cc:57:29: error: conversion from 'int' to non-scalar type 'vi' {aka 'std::vector<int>'} requested
   57 |     vi n(3),countf=0,counts=0;
      |                             ^
a.cc:60:28: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   60 |         if(n[i] == 5)countf++;
      |                      ~~~~~~^~
a.cc:61:33: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   61 |         else if(n[i] == 7)counts++;
      |                           ~~~~~~^~
a.cc:63:15: error: no match for 'operator==' (operand types are 'vi' {aka 'std::vector<int>'} and 'int')
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |        ~~~~~~ ^~ ~
      |        |         |
      |        |         int
      |        vi {aka std::vector<int>}
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:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1103 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1199:5: 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>&)'
 1199 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1274:5: 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>&)'
 1274 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1366 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1441 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1534 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1613 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
 2186 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
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:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1033 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::pair<_T1, _T2>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  441 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  486 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1667 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1737 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^
In file included from /usr/include/c++/14/bits/char_traits.h:42,
                 from /usr/include/c++/14/string:42,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
  192 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note:   template argument deduction/substitution failed:
a.cc:63:18: note:   'vi' {aka 'std::vector<int>'} is not derived from 'const std::fpos<_StateT>'
   63 |     if(countf == 2 && counts == 1)cout << "YES" << endl;
      |                  ^