foo.cpp: In function 'void check(int, int, char, char, int)':
foo.cpp:39:7: error: expected primary-expression before '>' token
  if(a=>80&&c>0)
       ^
foo.cpp:45:7: error: expected primary-expression before '>' token
  if(a=>85&&b>80)
       ^
foo.cpp:51:7: error: expected primary-expression before '>' token
  if(a=>90)
       ^
foo.cpp:57:7: error: expected primary-expression before '>' token
  if(a=>85&&b1=='Y')
       ^
foo.cpp:63:7: error: expected primary-expression before '>' token
  if(b=>80&&a1=='Y')
       ^