View Compilation Error

0_0_29963802_27744.cpp: In function 'void work()':
0_0_29963802_27744.cpp:181:18: error: expected primary-expression before '%' token
   if ( op == 1 ) %
                  ^
0_0_29963802_27744.cpp:181:18: error: expected primary-expression at end of input
0_0_29963802_27744.cpp:181:18: error: expected '}' at end of input
0_0_29963802_27744.cpp:181:18: error: expected '}' at end of input