View Compilation Error

0_0_24736609_18237.cpp: In function 'int year(int)':
0_0_24736609_18237.cpp:28:13: error: invalid operands of types 'int(int)' and 'int' to binary 'operator%'
  if((year % 4 == 0 && year % 4 != 0) || year % 400 == 0)
             ^
0_0_24736609_18237.cpp:28:30: error: invalid operands of types 'int(int)' and 'int' to binary 'operator%'
  if((year % 4 == 0 && year % 4 != 0) || year % 400 == 0)
                              ^
0_0_24736609_18237.cpp:28:48: error: invalid operands of types 'int(int)' and 'int' to binary 'operator%'
  if((year % 4 == 0 && year % 4 != 0) || year % 400 == 0)
                                                ^