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Problems

Two digits in a row

Two digits in a row

Four-digit number is given. Determine is there two consecutive digits $3$ and $7$. \InputFile One four-digit number. \OutputFile Print "\textbf{YES}" if the number contains digits $3$ and $7$ in a row. Print "\textbf{NO}" otherwise.
Time limit 1 second
Memory limit 128 MiB
Input example #1
1378
Output example #1
YES
Input example #2
3478
Output example #2
NO