/in/foo.cc: In function 'long long int w(long long int, long long int, long long int)':
/in/foo.cc:22:24: error: expected primary-expression before ')' token
  else if(ans[n][m][d]!=)return ans[n][m][d];
                        ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:33:19: warning: second operand of conditional expression has no effect [-Wunused-value]
         n>=21?21:n;
                   ^
/in/foo.cc:33:19: warning: third operand of conditional expression has no effect [-Wunused-value]
/in/foo.cc:34:13: warning: second operand of conditional expression has no effect [-Wunused-value]
   m>=21?21:m;
             ^
/in/foo.cc:34:13: warning: third operand of conditional expression has no effect [-Wunused-value]
/in/foo.cc:35:16: warning: second operand of conditional expression has no effect [-Wunused-value]
      d>=21?21:d;
                ^
/in/foo.cc:35:16: warning: third operand of conditional expression has no effect [-Wunused-value]