func main()
	var ss: [][]char :: cui@input().split(" ")
	var N: int :: ss[0].toInt(&)
	var H: int :: ss[1].toInt(&)
	var M: int :: ss[2].toInt(&)
	var T: int :: ss[3].toInt(&)
	do M :+ T * (N - 1)
	do H :+ M / 60
	do M :% 60
	do H :% 24
	do cui@print("\{H}\n\{M}\n")
end func