View Compilation Error

0_0_17935758_4617.cpp: In function 'int main()':
0_0_17935758_4617.cpp:42:37: error: invalid initialization of reference of type 'int&' from expression of type 'long long int'
             add(ans,dp[now][i][2][2]);
                                     ^
0_0_17935758_4617.cpp:8:6: note: in passing argument 1 of 'void add(int&, int)'
 void add(int &x,int y){
      ^