mirror of
https://github.com/tiennm99/codeforces.git
synced 2026-06-09 06:13:28 +00:00
21 lines
314 B
C#
21 lines
314 B
C#
using System;
|
|
|
|
namespace problem_96A
|
|
{
|
|
public class problem_96A
|
|
{
|
|
public static void Main(string[] args)
|
|
{
|
|
string s = Console.ReadLine();
|
|
if (s.Contains("0000000") || s.Contains("1111111"))
|
|
{
|
|
Console.Write("YES");
|
|
}
|
|
else
|
|
{
|
|
Console.Write("NO");
|
|
}
|
|
}
|
|
}
|
|
}
|