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MathNet 2023-part-05 — 191 problems (EN–VI) Question 126

Math Olympiad Vault · MathNet 2023-part-05 — 191 problems (EN–VI)

Question 126

One has $2022$ yellow, $2022$ red and $2022$ blue sticks. It is known that if we pick three sticks of different color, then it is possible to construct a triangle using these sticks. Prove that there exists a color such that: if we pick $3$ sticks of that color, then it is possible to construct a triangle using these sticks.