View Compilation Error

0_0_29392400_26978.cpp: In function 'int read()':
0_0_29392400_26978.cpp:22:16: error: expected primary-expression before '%' token
         if(ch =%
                ^
0_0_29392400_26978.cpp:22:16: error: expected primary-expression at end of input
0_0_29392400_26978.cpp:22:16: error: expected ')' at end of input
0_0_29392400_26978.cpp:22:16: error: expected statement at end of input
0_0_29392400_26978.cpp:22:16: error: expected '}' at end of input
0_0_29392400_26978.cpp:22:16: error: expected '}' at end of input