View Compilation Error

0_0_24703993_11780.cpp: In function 'int main()':
0_0_24703993_11780.cpp:49:41: error: expected ':' before ';' token
             temp = sum(n+y) ? sum(n+x-1);
                                         ^
0_0_24703993_11780.cpp:49:41: error: expected primary-expression before ';' token
0_0_24703993_11780.cpp:51:15: error: expected primary-expression before ';' token
             n?;
               ^
0_0_24703993_11780.cpp:51:15: error: expected ':' before ';' token
0_0_24703993_11780.cpp:51:15: error: expected primary-expression before ';' token
0_0_24703993_11780.cpp:53:37: error: expected ':' before ')' token
         cout << (sum(n+z) ? sum(n+1))%M << endl;
                                     ^
0_0_24703993_11780.cpp:53:37: error: expected primary-expression before ')' token