Main.cc: In function ‘int main()’:
Main.cc:6:10: warning: statement is a reference, not call, to function ‘std::ios_base::sync_with_stdio’ [-Waddress]
    6 |     ios::sync_with_stdio; cin.tie(0);cout.tie(0);
      |     ~~~~~^~~~~~~~~~~~~~~
Main.cc:6:10: warning: statement has no effect [-Wunused-value]
Main.cc:19:13: error: expected ‘}’ at end of input
   19 |     return 0;
      |             ^
Main.cc:5:14: note: to match this ‘{’
    5 | signed main(){
      |              ^