Score time

# include <iostream>
using namespace std;
#include <iomanip>
#include <math.h>
#include <cmath>

int main()
{
    int time1;
    int time2;
    int time3;

    do
    {
        cin.clear();
        cin >> time1;
    } while (cin.bad() || time1 < 0 || time1> 50);

    do
    {
        cin.clear();
        cin >> time2;
    } while (cin.bad() || time2 < 0 || time2> 50);

    do
    {
        cin.clear();
        cin >> time3;
    } while (cin.bad() || time3 < 0 || time3> 50);
    int totaltimesec = (time1 + time2 + time3);
    double totaltimemin = abs(totaltimesec / 60);
    double totaltimesec1 = abs(totaltimesec - totaltimemin * 60);
    if (totaltimesec1 < 10)
    {
        cout << totaltimemin << ":0" << totaltimesec1 << endl;
    }
    else
    {
        cout << totaltimemin << ":" << totaltimesec1 << endl;
    }
    return 0;
}