1.

sec = int(input())

min = sec // 60

sec = sec - min*60

print(min," мин ",sec," сек.")

2.

x = int(input())

a = x //1000

b = x//100 - a*10

c = x//10 - a*100 - b*10

d = x - a*1000 - b*100 - c*10

print("сумма:"a+b+c+d)

print("произведение:"a*b*c*d)

3.

x = int(input())

b = x//100

c = x//10 - b*10

d = x - b*100 - c*10

y = d*100 + c*10 + b