16 lines
329 B
Python
16 lines
329 B
Python
import sys
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input = sys.stdin.readline
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N, K = map(int, input().split())
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D = [[0 for j in range(N+1)] for i in range(N+1)]
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for i in range(0, N+1):
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D[i][0] = 1
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D[i][i] = 1
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D[i][1] = i
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for i in range(1, N+1):
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for j in range(1, i+1):
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D[i][j] = (D[i-1][j-1] % 10007 + D[i-1][j] %10007)%10007
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print(D[N][K]) |