import sys
import re

_buffer = ''

def _readRegExp(regExp):
    global _buffer
    if isEmpty(): raise EOFError()
    compiledRegExp = re.compile(r'^\s*' + regExp)
    match = compiledRegExp.search(_buffer)
    if match == None: raise ValueError()
    s = match.group()
    _buffer = _buffer[match.end():]
    return s.lstrip()

def isEmpty():
    global _buffer
    while _buffer.strip() == '':
        line = sys.stdin.readline()
        if line == '': return True
        _buffer += line
    return False

def readInt():
    return int(_readRegExp(r'[-+]?\d+'), 10)

def readFloat():
    return float(_readRegExp(r'[-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?'))

def readString():
    return _readRegExp(r'\S+')

def readLine():
    global _buffer
    if buffer == '':
        _buffer = sys.stdin.readline()
        if _buffer == '': raise EOFError()
    s = _buffer
    _buffer = ''
    return s.rstrip('\n')

a = None
b = None


a = readInt()
b = readInt()
print((a / b), end='')