View Compilation Error

0_0_18910598_7998.cpp: In function 'int main()':
0_0_18910598_7998.cpp:14:20: error: 'iH' was not declared in this scope
             number[iH]=(A*number[i-1]+B*number[i-2])%7;
                    ^
0_0_18910598_7998.cpp:15:26: error: 'nH' was not declared in this scope
             cout<<number[nH]<<endl;
                          ^