#include<iostream> using namespace std; int main(){ int a; cin>>a; if(a>3600){ cout<<a/3600<<endl; a=a%3600; if(a>60){ cout<<a/60<<endl; a=a%60; cout<<a<<endl; } }else if(a>60){ cout<<"0"<<a/60<<endl; a=a%60; cout<<a; }else{ cout<<"0"<<"0"<<a<<endl; } return 0; }