###### Category

###### Similar Problems

## 0762. Binary adding

###### Time limit : 1000 ms

Memory limit : 64 mb

You are given two numbers A and B in binary number system. Your task is to add them in binary system.

Input

The first line contains the
number **A, ****s**econd
contains the number B**. ****Both** numbers contain only 0 and 1. They are not empty
and there is not leading zeroes. Lengths both of them don’t exceed 1000 symbols.

Output

Print the sum of numbers in binary number system without leading zeroes.

Samples

№ |
Input |
Output |

1 |
1 1 |
10 |

2 |
101 10 |
111 |