View Compilation Error

0_0_20716190_32338.cpp:5:1: error: 'LL' does not name a type
 LL M[22];
 ^
0_0_20716190_32338.cpp: In function 'int main()':
0_0_20716190_32338.cpp:8:1: error: 'M' was not declared in this scope
 M[1] = 0;M[2] = 1;
 ^