View Compilation Error

0_0_35892680_29899.cpp: In function 'int main()':
0_0_35892680_29899.cpp:10:33: error: expected primary-expression before 'if'
   if((yeq%4==0)&&(yeq%100!=0)||(if(yeq%400==0)))
                                 ^
0_0_35892680_29899.cpp:10:33: error: expected ')' before 'if'
0_0_35892680_29899.cpp:30:1: error: expected ')' at end of input
 }
 ^
0_0_35892680_29899.cpp:30:1: error: expected statement at end of input
0_0_35892680_29899.cpp:30:1: error: expected '}' at end of input
0_0_35892680_29899.cpp:30:1: error: expected '}' at end of input