View Compilation Error

0_0_18819606_20967.cpp: In function 'int main()':
0_0_18819606_20967.cpp:5:14: error: expected ')' before string constant
  while((scanf"%d %d"&a,&b)!=EOF)
              ^
0_0_18819606_20967.cpp:9:4: error: expected ')' before 'return'
    return 0;
    ^