View Compilation Error

0_0_30229434_7840.cpp: In function 'int main()':
0_0_30229434_7840.cpp:31:5: error: 'll' was not declared in this scope
     ll w=(a-d+1)-s%(a-d+1)-1;
     ^
0_0_30229434_7840.cpp:33:17: error: 'w' was not declared in this scope
     cout<<sum*a-w<<endl;
                 ^