View Compilation Error

0_0_26122637_2046.cpp:6:1: error: 'LL' does not name a type
 LL M, K;
 ^
0_0_26122637_2046.cpp: In function 'int main()':
0_0_26122637_2046.cpp:10:16: error: 'M' was not declared in this scope
     while(cin>>M>>K)
                ^
0_0_26122637_2046.cpp:10:19: error: 'K' was not declared in this scope
     while(cin>>M>>K)
                   ^