Run id: 144863

Main.cc: In function 'int main()':
Main.cc:5:29: error: expected primary-expression before ',' token
     scanf("%d %d %d %d", &t,,&a,&b,&n);
                             ^
Main.cc:5:31: error: 'a' was not declared in this scope
     scanf("%d %d %d %d", &t,,&a,&b,&n);
                               ^
Main.cc:5:34: error: 'b' was not declared in this scope
     scanf("%d %d %d %d", &t,,&a,&b,&n);
                                  ^