View Compilation Error

0_0_38883793_19736.cpp:2:5: error: cannot declare '::main' to be a global variable
    2 | int main{
      |     ^~~~
0_0_38883793_19736.cpp:3:4: error: expected primary-expression before 'int'
    3 |    int a, b;
      |    ^~~
0_0_38883793_19736.cpp:3:4: error: expected '}' before 'int'
0_0_38883793_19736.cpp:2:9: note: to match this '{'
    2 | int main{
      |         ^
0_0_38883793_19736.cpp:4:9: error: expected constructor, destructor, or type conversion before '(' token
    4 |    scanf("%d%d",&a,&b);
      |         ^
0_0_38883793_19736.cpp:5:10: error: expected constructor, destructor, or type conversion before '(' token
    5 |    printf("%d",a+b);
      |          ^
0_0_38883793_19736.cpp:6:4: error: expected unqualified-id before 'return'
    6 |    return 0;
      |    ^~~~~~
0_0_38883793_19736.cpp:7:1: error: expected declaration before '}' token
    7 | }
      | ^