#include using namespace std; #define rep(i,n) for(int i=0;i<(int)(n);i++) template inline bool chmax(T&a,T b){if(a inline bool chmin(T&a,T b){if(a>b){a=b;return 1;}return 0;} using ll = long long; ll a,b; int main(){ ios::sync_with_stdio(false); cin.tie(0); cin >> a >> b; cout << a/b << "."; rep(i,50){ a%=b, a*=10; cout << a/b; } cout << endl; }