123233

ABC 380
All Problems

Problem 36 of 50

Easy

What to do

Check if a 6-digit number contains exactly one '1', exactly two '2's, and exactly three '3's (and no other digits). Return 'Yes' if it does, 'No' otherwise.

Key Concepts

if-statements counting characters basic input/output string manipulation

Examples

Input: n = 123233

Output: Yes

Input: n = 123234

Output: No

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Tips for Beginners

  • Focus on understanding the logic, not memorizing syntax
  • Use print statements to debug your code
  • Don't worry about input parsing - the function handles that for you
  • If stuck, try writing out your solution on paper first

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