View Compilation Error

0_0_29576163_5576.cpp: In function 'int main()':
0_0_29576163_5576.cpp:45:24: error: expected primary-expression before '%' token
         while (l <= n &%2
                        ^
0_0_29576163_5576.cpp:45:25: error: expected ')' at end of input
         while (l <= n &%2
                         ^
0_0_29576163_5576.cpp:45:25: error: expected statement at end of input
0_0_29576163_5576.cpp:45:25: error: expected '}' at end of input
0_0_29576163_5576.cpp:45:25: error: expected '}' at end of input