Run id: 137179

Main.cc: In function 'int main()':
Main.cc:8:9: error: 'a' was not declared in this scope
         a+=i;
         ^
Main.cc:10:5: error: 'b' was not declared in this scope
     b+=i;
     ^
Main.cc:12:7: error: 'b' was not declared in this scope
 cout<