#include<iostream> #include<cstdio> using namespace std; int main() { double b,c,d,e,f,g; b=39/5; c=39%5; d=39/8; e=39%8; f=39/12; g=39/12; printf("%.3f",(5+8+12)/3.0); cout<<endl<<b<<" "<<c<<endl<<d<<" "<<e<<endl<<f<<" "<<g; return 0; }