Run id: 137911

Main.cc: In function 'int main()':
Main.cc:4:14: error: expected initializer before '-=' token
     int a,b,a-=1,b-=2;
              ^
Main.cc:5:15: error: conflicting declaration 'long long int a'
     long long a=10000,b=10000
               ^
Main.cc:4:9: note: previous declaration as 'int a'
     int a,b,a-=1,b-=2;
         ^
Main.cc:5:23: error: conflicting declaration 'long long int b'
     long long a=10000,b=10000
                       ^
Main.cc:4:11: note: previous declaration as 'int b'
     int a,b,a-=1,b-=2;
           ^
Main.cc:7:20: error: 'n' was not declared in this scope
     for(int i=3;i<=n;i++){
                    ^
Main.cc:14:5: error: 'n' was not declared in this scope
  if(n%2==0){
     ^