View Compilation Error

0_0_33587518_31893.cpp: In function 'int main()':
0_0_33587518_31893.cpp:8:9: error: 'ull1' was not declared in this scope
  fei[1]=ull1,fei[2]=ull2;
         ^
0_0_33587518_31893.cpp:8:21: error: 'ull2' was not declared in this scope
  fei[1]=ull1,fei[2]=ull2;
                     ^