#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double a; int b,c,d,e,f,g; a=(5+8+12)/3.0; printf("%.3lf\n",a); b=39/5; c=39%5; d=39/8; e=39%8; f=39/12; g=39%12; cout<<b<<" "<<c<<endl<<d<<" "<<e<<endl<<f<<" "<<g<<endl; return 0; }