Not able to think lgoic

#include
using namespace std;

int main(){
signed CodingBlocks = 9;
short double Nagarro = 8.8;
signed char HackerBlocks = ‘A’;
cout<<CodingBlocks<<endl;
cout<<Nagarro<<endl;
cout<<HackerBlocks<<endl;

return 0;
}"

9 8.8 A

"Run Time Error "

Error due to Nagrro

Error Due to Coding Blocks

Hello Aarij, short double is not a valid type!

should be the answer