import math
def myCondense(a):
copyNum = a
remainder = 0
result = 0
while(copyNum != 0):
remainder = copyNum % 10;
result += remainder;
copyNum = math.floor(copyNum / 10);
return result
num = int(input("Enter any Multi digit (int) number: "));
userValue = num
while(num > 9):
num = myCondense(num)
print("Single Digit of %d: %d" % (userValue, num))