View Compilation Error

0_0_19420162_29954.cpp: In function 'int main()':
0_0_19420162_29954.cpp:12:16: error: expected ')' before 'PRId64'
 #define MYPRID PRId64
                ^
0_0_19420162_29954.cpp:57:16: note: in expansion of macro 'MYPRID'
     scanf( "%" MYPRID, &n);
                ^
0_0_19420162_29954.cpp:12:16: error: expected ')' before 'PRId64'
 #define MYPRID PRId64
                ^
0_0_19420162_29954.cpp:61:20: note: in expansion of macro 'MYPRID'
         scanf( "%" MYPRID, &ai);
                    ^
0_0_19420162_29954.cpp:12:16: error: expected ')' before 'PRId64'
 #define MYPRID PRId64
                ^
0_0_19420162_29954.cpp:64:24: note: in expansion of macro 'MYPRID'
             scanf( "%" MYPRID, &bi);
                        ^