View Compilation Error

0_0_18818160_25776.cpp:3:2: error: expected primary-expression before 'int'
  int a,b;
  ^
0_0_18818160_25776.cpp:3:2: error: expected '}' before 'int'
0_0_18818160_25776.cpp:3:2: error: expected ',' or ';' before 'int'
0_0_18818160_25776.cpp:4:2: error: expected unqualified-id before 'while'
  while(scanf("%d%d",&a,&b)!=EOF){
  ^
0_0_18818160_25776.cpp:6:2: error: expected unqualified-id before 'return'
  return 0;}
  ^
0_0_18818160_25776.cpp:6:11: error: expected declaration before '}' token
  return 0;}
           ^