View Compilation Error

0_0_23182596_2327.cpp: In function 'int main()':
0_0_23182596_2327.cpp:7:5: error: 'll' was not declared in this scope
     ll h1,h2;
     ^
0_0_23182596_2327.cpp:8:8: error: expected ';' before 'a'
     ll a,b;
        ^
0_0_23182596_2327.cpp:9:10: error: 'h1' was not declared in this scope
     cin>>h1>>h2>>a>>b;
          ^
0_0_23182596_2327.cpp:9:14: error: 'h2' was not declared in this scope
     cin>>h1>>h2>>a>>b;
              ^
0_0_23182596_2327.cpp:9:18: error: 'a' was not declared in this scope
     cin>>h1>>h2>>a>>b;
                  ^
0_0_23182596_2327.cpp:9:21: error: 'b' was not declared in this scope
     cin>>h1>>h2>>a>>b;
                     ^