View Compilation Error

0_0_29850014_18413.cpp: In function 'int Add(int, const int&)':
0_0_29850014_18413.cpp:72:20: error: 'P' was not declared in this scope
     return (x+=y)>=P?x-P:x;
                    ^
0_0_29850014_18413.cpp: In function 'int Minus(int, const int&)':
0_0_29850014_18413.cpp:76:23: error: 'P' was not declared in this scope
     return (x-=y)<0?x+P:x;
                       ^
0_0_29850014_18413.cpp: In function 'int Mul(long long int, const int&)':
0_0_29850014_18413.cpp:80:16: error: 'P' was not declared in this scope
     return x*y%P;
                ^
0_0_29850014_18413.cpp: In function 'int Calc(int, __int128, __int128)':
0_0_29850014_18413.cpp:87:39: error: 'P' was not declared in this scope
             res=Add(res,Mul((R/d-L/d)%P,phi[d]));
                                       ^