#Python 3
hh, mm = map(int, input().split(':'))
print(60*hh + mm)
PascalABC.NET:
##var t := ReadString.Split(':');Print(60*t[0].ToInteger + t[1].ToInteger)C#:
var t = Console.ReadLine().Split(':');Console.WriteLine(int.Parse(t[0]) * 60 + int.Parse(t[1]));JavaScript:
`let t = prompt().split(':').map(t => +t)alert(t[0]*60 + t[1])`

