#include using namespace std; #define int long long #define rep(i, n) for (int i = 0; i < (n); i++) #define repf(i, j, n) for (int i = (j); i < (n); i++) #define repr(i, n) for (int i = (n)-1; i >= 0; i--) signed main() { int n; cin >> n; cout << n * 10 << endl; }