tuanzz

#include <iostream>
#include <iomanip>
#include <stdio.h>
#include <cmath>
using namespace std;
// gio phut giay
int main(){
    int h, m, s;
    cout << "Nhap vao bo gio, phut, giay ma ban muon: " << endl;
    cin >> h >> m >> s;
    if (h && m && s >=0){
        if (h<=24 && m<=60 && s<=60){
            cout << "Bo gio, phut, giay cua ban co the lap thanh 1 bo hop le!" << endl;
            cout << h << ":" << m << ":" << s; 
        }else{
            cout << "Xin loi! Bo gio, phut, giay cua ban khong hop le!"
        }
    }
    return 0;
}