View Compilation Error

0_0_14037353_2794.cpp:1:2: error: 'j' does not name a type
  j , n , m , cnt , num , ans;
  ^
0_0_14037353_2794.cpp:2:2: error: expected unqualified-id before 'while'
  while( cin >> n >> m && (n||m) )
  ^