10061006 SUSTech Online Judge
Problem 1006 --test

1006: test

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 72  Solved: 7
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Description

There is a monkey king who stole n peaches form the peach garden of the Queen of Heaven. Sometimes, the monkey king eat 1 peach a day, sometimes 1 or 2a day.  How many distribution method does he have to eat all of peaches.

Input

the numbers of peaches the monkey king stole.

Output

the numbers  of  distribution method  he has.

Sample Input

2

Sample Output

2

HINT

Source

 

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