View Compilation Error

0_0_29278012_16641.cpp:9:8: error: 'LL' was not declared in this scope
 ll ksc(LL a, LL b) { 
        ^
0_0_29278012_16641.cpp:9:14: error: 'LL' was not declared in this scope
 ll ksc(LL a, LL b) { 
              ^
0_0_29278012_16641.cpp:9:18: error: expression list treated as compound expression in initializer [-fpermissive]
 ll ksc(LL a, LL b) { 
                  ^
0_0_29278012_16641.cpp:9:20: error: expected ',' or ';' before '{' token
 ll ksc(LL a, LL b) { 
                    ^