print('contest/171')
1704C - Virus | 63A - Sinking Ship |
1704B - Luke is a Foodie | 298B - Sail |
239A - Two Bags of Potatoes | 1704E - Count Seconds |
682A - Alyona and Numbers | 44A - Indian Summer |
1133C - Balanced Team | 1704A - Two 0-1 Sequences |
1467A - Wizard of Orz | 1714E - Add Modulo 10 |
1714A - Everyone Loves to Sleep | 764A - Taymyr is calling you |
1714B - Remove Prefix | 1264F - Beautiful Fibonacci Problem |
52A - 123-sequence | 1543A - Exciting Bets |
1714D - Color with Occurrences | 215B - Olympic Medal |
1445A - Array Rearrangment | 1351A - A+B (Trial Problem) |
935B - Fafa and the Gates | 1291A - Even But Not Even |
1269A - Equation | 441A - Valera and Antique Items |
1702C - Train and Queries | 816B - Karen and Coffee |
838D - Airplane Arrangements | 148B - Escape |