package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"time"
)

var sc = bufio.NewScanner(os.Stdin)

// var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() int {
	i, _ := strconv.Atoi(nextLine())
	return i
}

func nextInt64() int64 {
	i, _ := strconv.ParseInt(nextLine(), 10, 64)
	return i
}

func nextUint64() uint64 {
	i, _ := strconv.ParseUint(nextLine(), 10, 64)
	return i
}

func nextFloat() float64 {
	f, _ := strconv.ParseFloat(nextLine(), 64)
	return f
}

// func readLine() string {
// buf := make([]byte, 0, 1000000)
// for {
// l, p, e := rdr.ReadLine()
// if e != nil {
// panic(e)
// }
// buf = append(buf, l...)
// if !p {
// break
// }
// }
// return string(buf)
// }

func main() {
	sc.Split(bufio.ScanWords)
	n, h, m, t := nextInt64(), nextInt64(), nextInt64(), nextInt64()
	start, _ := time.Parse("15:04", fmt.Sprintf("%02d:%02d", h, m))
	d := time.Duration((n-1)*t) * time.Minute
	after := start.Add(d)
	fmt.Println(after.Hour())
	fmt.Println(after.Minute())

}