0_0_39348612_27412.cpp: In function 'int main()': 0_0_39348612_27412.cpp:9:22: error: 'a' was not declared in this scope 9 | cin>>a>>b; | ^ 0_0_39348612_27412.cpp:9:25: error: 'b' was not declared in this scope 9 | cin>>a>>b; | ^