View Compilation Error

0_0_39639747_26808.cpp:3:9: error: expected unqualified-id before 'while'
    3 |         while(scanf("%d\n",&N)!=EOF){
      |         ^~~~~
0_0_39639747_26808.cpp:11:9: error: expected unqualified-id before 'return'
   11 |         return 0;
      |         ^~~~~~
0_0_39639747_26808.cpp:13:1: error: expected declaration before '}' token
   13 | }
      | ^