#include<bits/stdc++.h> using namespace std; int main(){ printf("%.3lf\n",(5+8+12)/3.0); printf("%.3lf ",39/5.0); printf("%.3lf\n",39%5); printf("%.3lf ",39/8.0); printf("%.3lf\n",39%8); printf("%.3lf ",39/12.0); printf("%.3lf\n",39%12); return 0; }