View Compilation Error

0_0_29400900_10889.cpp: In function 'char getc()':
0_0_29400900_10889.cpp:67:19: error: expected primary-expression before '%' token
  while(ch<'A'||ch>%
                   ^
0_0_29400900_10889.cpp:67:19: error: expected primary-expression at end of input
0_0_29400900_10889.cpp:67:19: error: expected ')' at end of input
0_0_29400900_10889.cpp:67:19: error: expected statement at end of input
0_0_29400900_10889.cpp:67:19: error: expected '}' at end of input