View Compilation Error

0_0_17964208_838.cpp: In function 'int main()':
0_0_17964208_838.cpp:44:35: error: invalid initialization of reference of type 'int&' from expression of type 'long long int'
             add(ans,dp[n][i][2][2]);
                                   ^
0_0_17964208_838.cpp:14:6: note: in passing argument 1 of 'void add(int&, int)'
 void add(int &x,int y)
      ^