#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(){ cout<<(5+8+12)/3<<endl; cout<<39/5<<' '<<39%5<<endl; cout<<39/8<<' '<<39%8<<endl; cout<<39/12<<' '<<39%12<<endl; return 0; }