View Compilation Error

0_0_33127724_8704.cpp: In function 'int main()':
0_0_33127724_8704.cpp:17:15: error: 'a' was not declared in this scope
    int fz=sum;a
               ^
0_0_33127724_8704.cpp:21:7: error: 'x' was not declared in this scope
    if(x>=(5-num)&&num)
       ^
0_0_33127724_8704.cpp:26:4: error: 'y' was not declared in this scope
    y=min(wu,fz/5);
    ^
0_0_33127724_8704.cpp:36:10: error: 'x' was not declared in this scope
     else x-=5;
          ^
0_0_33127724_8704.cpp:37:8: error: 'x' was not declared in this scope
     if(x<0)
        ^
0_0_33127724_8704.cpp:44:4: error: 'z' was not declared in this scope
    z=fz/10;
    ^
0_0_33127724_8704.cpp:45:52: error: 'x' was not declared in this scope
    printf("%d YiJiao, %d WuJiao, and %d ShiJiao\n",x,y,z);
                                                    ^