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1812

April Fools Day Contest 2023

A_Are_You_a_Robot

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print("security")

B_Was_it_Rated

Explanation

The input to the problem represents a Codeforces contest ID. Out of the first 25 Codeforces contests, the only unrated ones had IDs 15, 20, and 21.

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n = int(input())
a = [15, 20, 21]
if n in a:
    print("NO")
else:
    print("YES")

C_Digits

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pi = "314159265358979323846264338327950288419716939937510"

for i in range(int(input())):
    res = 1
    for _ in range(int(pi[i])):
        res *= int(input())
    print(res)