View Compilation Error

0_0_33678627_8343.cpp: In function 'int main()':
0_0_33678627_8343.cpp:10:2: error: 'cin' was not declared in this scope
  cin >> T;
  ^
0_0_33678627_8343.cpp:28:3: error: 'cout' was not declared in this scope
   cout << ((dp[n][0] + dp[n][1]) % int(1e9 + 7));
   ^