Sadia is checking if any two logged values at a startup office add up to a suspicious target sum K.
What your program reads
Line1: N K. Line2: N integers.
What your program prints
"YES" or "NO".
Limits
1 ≤ N ≤ 10^5
Example input
5 10 2 7 4 1 5
Expected output
YES
main.c
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