#include <bits/stdc++.h>
uisng namespace std;
int main() {
    int n, m;
    cin >> n >> m;
    vector<int> arr(n);
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }
    sort(a.begin(), a.end());
    int count = 0;
    while (m > 0) {
        m -= a[count++];
    }
    cout << count << endl;
}

/sandbox/1/a.cpp:2:1: error: 'uisng' does not name a type; did you mean 'uint'?
 uisng namespace std;
 ^~~~~
 uint
/sandbox/1/a.cpp: In function 'int main()':
/sandbox/1/a.cpp:5:5: error: 'cin' was not declared in this scope
     cin>>n>>m;
     ^~~
/sandbox/1/a.cpp:5:5: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:75,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^~~
/sandbox/1/a.cpp:6:5: error: 'vector' was not declared in this scope
     vector<int> arr(n);
     ^~~~~~
/sandbox/1/a.cpp:6:5: note: suggested alternative:
In file included from /usr/include/c++/8/vector:64,
                 from /usr/include/c++/8/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:86,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/stl_vector.h:339:11: note:   'std::vector'
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^~~~~~
/sandbox/1/a.cpp:6:12: error: expected primary-expression before 'int'
     vector<int> arr(n);
            ^~~
/sandbox/1/a.cpp:8:14: error: 'arr' was not declared in this scope
         cin>>arr[i];
              ^~~
/sandbox/1/a.cpp:10:10: error: 'a' was not declared in this scope
     sort(a.begin(),a.end());
          ^
/sandbox/1/a.cpp:10:5: error: 'sort' was not declared in this scope
     sort(a.begin(),a.end());
     ^~~~
/sandbox/1/a.cpp:10:5: note: suggested alternative:
In file included from /usr/include/c++/8/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:65,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/stl_algo.h:4854:5: note:   'std::sort'
     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
     ^~~~
/sandbox/1/a.cpp:15:5: error: 'cout' was not declared in this scope
     cout<<count<<endl;
     ^~~~
/sandbox/1/a.cpp:15:5: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:75,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^~~~
/sandbox/1/a.cpp:15:18: error: 'endl' was not declared in this scope
     cout<<count<<endl;
                  ^~~~
/sandbox/1/a.cpp:15:18: note: suggested alternative:
In file included from /usr/include/c++/8/istream:39,
                 from /usr/include/c++/8/sstream:38,
                 from /usr/include/c++/8/complex:45,
                 from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:52,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/ostream:590:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^~~~