View Compilation Error

0_0_15149477_1949.cpp: In function 'int main()':
0_0_15149477_1949.cpp:14:9: error: 'LL' was not declared in this scope
         LL N,M;
         ^
0_0_15149477_1949.cpp:15:27: error: 'N' was not declared in this scope
         scanf("%llu%llu",&N,&M);
                           ^
0_0_15149477_1949.cpp:15:30: error: 'M' was not declared in this scope
         scanf("%llu%llu",&N,&M);
                              ^