View Compilation Error

0_0_39082283_19264.cpp:2:5: error: cannot declare '::main' to be a global variable
    2 | int main{
      |     ^~~~
0_0_39082283_19264.cpp:3:1: error: expected primary-expression before 'int'
    3 | int n,x,sum;
      | ^~~
0_0_39082283_19264.cpp:3:1: error: expected '}' before 'int'
0_0_39082283_19264.cpp:2:9: note: to match this '{'
    2 | int main{
      |         ^
0_0_39082283_19264.cpp:4:1: error: expected unqualified-id before 'while'
    4 | while((scanf("%d",&n))!=EOF){
      | ^~~~~
0_0_39082283_19264.cpp:12:1: error: expected unqualified-id before 'return'
   12 | return 0;
      | ^~~~~~
0_0_39082283_19264.cpp:13:1: error: expected declaration before '}' token
   13 | }
      | ^