Problems

# Zeros at the end of

# Zeros at the end of

Some natural number **N** can be decomposed into prime factors, among which **M** dividers, which are **2** and **K** - **5**. How many zeros ends integer **N**?

**Input**

The single line contains two integers **M** and **K** (**0** ≤ **M**, **K** ≤ **32000**).

**Output**

Single number - the number of trailing zeros.

Input example #1

2 1

Output example #1

1