func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[1111], x, n, s, y, o, oo;   int main() {     cin >> n;     for (int i = 0; i < n; i++) {       cin >> x;       if (x == 0 || x == 100)         a[s++] = x;       else if (x < 10 && o == 0)         a[s++] = x, o = 1;       else if (x % 10 == 0 && oo == 0)         a[s++] = x, oo = 1;       else         y = x;     }     if (o == 0 && oo == 0 && y != 0) a[s++] = y;     cout << s << endl;     for (int i = 0; i < s; i++) cout << a[i] <<    ;     return 0;   }   