View Compilation Error

0_0_34651283_299.cpp: In function 'int main()':
0_0_34651283_299.cpp:8:12: error: two or more data types in declaration of 'a'
     ll int a,b;
            ^
0_0_34651283_299.cpp:8:14: error: two or more data types in declaration of 'b'
     ll int a,b;
              ^
0_0_34651283_299.cpp:11:14: error: 'a' was not declared in this scope
         cin>>a>>b;
              ^
0_0_34651283_299.cpp:11:17: error: 'b' was not declared in this scope
         cin>>a>>b;
                 ^
0_0_34651283_299.cpp:12:16: error: two or more data types in declaration of 'c'
         ll int c = a&b;
                ^
0_0_34651283_299.cpp:13:12: error: 'c' was not declared in this scope
         if(c==0)
            ^