View Compilation Error

0_0_30915859_32157.cpp: In function 'int Rand(int, int)':
0_0_30915859_32157.cpp:23:13: error: 'LL' was not declared in this scope
     return (LL)rand() * rand() % (R - L + 1) + L;
             ^
0_0_30915859_32157.cpp:23:16: error: expected ';' before 'rand'
     return (LL)rand() * rand() % (R - L + 1) + L;
                ^