View Compilation Error

0_0_25552470_32494.cpp: In function 'int main()':
0_0_25552470_32494.cpp:89:16: error: expected ',' or ';' before 'lst_ans'
    int x=read()lst_ans,d=read()^lst_ans;
                ^
0_0_25552470_32494.cpp:90:62: error: 'd' was not declared in this scope
    printf("%d\n",lst_ans=D.Query(1,n,D.root[x],dep[x],dep[x]+d));
                                                              ^