View Compilation Error

0_0_13942345_31662.cpp:12:34: error: 'Persion' does not name a type
    friend bool operator < (const Persion &a,const Persion &b)
                                  ^
0_0_13942345_31662.cpp:12:51: error: 'Persion' does not name a type
    friend bool operator < (const Persion &a,const Persion &b)
                                                   ^
0_0_13942345_31662.cpp:12:61: error: 'bool operator<(const int&, const int&)' must have an argument of class or enumerated type
    friend bool operator < (const Persion &a,const Persion &b)
                                                             ^