View Compilation Error

0_0_15828758_9951.cpp: In function 'int main()':
0_0_15828758_9951.cpp:28:17: error: redeclaration of 'int v'
             int v=(1LL*A*i+B)%(i-1)+1;
                 ^
0_0_15828758_9951.cpp:26:21: note: 'int v' previously declared here
             int u=i,v;
                     ^