View Compilation Error

0_0_14802464_27157.cpp: In function 'lld Ext_gcd(lld, lld, lld&, lld&)':
0_0_14802464_27157.cpp:33:32: error: expected primary-expression before '%' token
    lld ret= Ext_gcd(b,a%b,y,x);%0
                                ^
0_0_14802464_27157.cpp:33:33: error: expected '}' at end of input
    lld ret= Ext_gcd(b,a%b,y,x);%0
                                 ^