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B. Hexakosioihexekontahexaphobia
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output

This (unpronounceable) word means simply fear of number 666.

You are given a string of digits. Check whether it is scary for a person suffering from this phobia, i.e., whether it contains number 666 as a substring.

Input

The input will consist of a single string p. The string contains between 1 and 100 digits ('0'-'9'), inclusive. The string doesn't contain any other characters except digits.

Output

Output "YES" if given string contains number 666, and "NO" otherwise (quotes for clarity only).

Examples
Input
123098
Output
NO
Input
16660
Output
YES
Input
1606061
Output
NO
Note

Note that 666 must be a contiguous substring of p, not a subsequence (see sample 3).