/in/foo.cc: In function 'int main()':
/in/foo.cc:6:11: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
           ^~
/in/foo.cc:6:14: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
              ^~~
/in/foo.cc:6:18: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                  ^~~
/in/foo.cc:6:22: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                      ^~~
/in/foo.cc:6:26: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                          ^~~
/in/foo.cc:6:30: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                              ^~~
/in/foo.cc:6:34: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                                  ^~~
/in/foo.cc:6:38: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                                      ^~~
/in/foo.cc:6:42: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                                          ^~~
/in/foo.cc:6:45: warning: right operand of comma operator has no effect [-Wunused-value]
   a=30,60,90,120,150,180,210,240,270,300,330;
                                             ^