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-rwxr-xr-xothers/other/laybi.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/others/other/laybi.py b/others/other/laybi.py
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+++ b/others/other/laybi.py
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+#!/usr/bin/env python3
+from itertools import combinations as C
+
+with open('laybi.inp') as fi, open('laybi.out', 'w') as fo:
+    m = map(int, fi.read().split())
+    fo.write('NO\n' if all(int.__sub__(*i) % 3 for i in C(m, 2)) else 'YES\n')