/in/foo.cc: In function 'int main()':
/in/foo.cc:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<s.size();i++)
                 ~^~~~~~~~~
/in/foo.cc:13:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(i==s.size()-1||!isdigit(s[i+1]))
                ~^~~~~~~~~~~~

FileNotFoundError('input/seat1.in',)