View Compilation Error

0_0_29968201_12222.cpp: In function '__int128 qwe(__int128, __int128)':
0_0_29968201_12222.cpp:31:35: error: 'P' was not declared in this scope
         if(y & 1) ans = ans * x % P;
                                   ^
0_0_29968201_12222.cpp:32:21: error: 'P' was not declared in this scope
         x = x * x % P;
                     ^