View Compilation Error

0_0_27414344_25884.cpp: In function 'int main()':
0_0_27414344_25884.cpp:42:37: error: 'b1b2' was not declared in this scope
         long long  a1=k1+b1,a2=k1*2+b1b2=k2+1;
                                     ^
0_0_27414344_25884.cpp:47:38: error: 'b2' was not declared in this scope
             if( (power(a,a2)+power(b,b2))%c==0){
                                      ^