#include #define rep(i,n) for(int i=(0);i<(n);i++) using namespace std; typedef long long ll; int main(){ cin.tie(0); ios::sync_with_stdio(false); ll a, b; cin >> a >> b; ll q = a / b; ll r = a % b; vector t(50); rep(i, 50){ r *= 10; t[i] = r / b; r %= b; } cout << q << "."; rep(i, 50) cout << t[i]; cout << "\n"; }