#include <bits/stdc++.h> #include <omp.h> using namespace std; int main(int argc, char const* argv[]) { int a; cin>>a; int h,m; h = 10; int h1 = a/100; m = (a%100)*6/10; int h2 = h+h1; if(m<10){ cout<<h2<<":0"<<m<<endl; return 0; } cout<<h2<<":"<<m<<endl; return 0; }