a, b = input().split()
print(int(a)%int(b))
a = float(input())
print(format(a, ".2f"))
a, b = input().split()
r = float(a)/float(b)
print(format(r, ".3f"))
a, b = input().split()
a = int(a)
b = int(b)
print(a+b)
print(a-b)
print(a*b)
print(a//b)
print(a%b)
print(format(a/b, ".2f"))
a, b, c = input().split()
a = int(a)
b = int(b)
c = int(c)
r = a+b+c
print(r, format(r/3, ".2f"))