import sys

def rev(item : str) -> str:

    return item[::-1]

for line in sys.stdin:
    num_list = line.split()

    num1 = num_list[0]
    num2 = num_list[1]

    num1_rev= rev(num1)
    num2_rev= rev(num2)

    sum = int(num1_rev) + int(num2_rev)
   
    print(int(rev(str(sum))))