# BOJ - 20299 - 3대 측정

Updated:

```
import sys
def solution():
N, K, L = map(int, sys.stdin.readline().split())
ret = []
idx = 0
for _ in range(N):
x1, x2, x3 = map(int, sys.stdin.readline().split())
if min(x1, x2, x3) < L or x1 + x2 + x3 < K:
continue
idx += 1
ret.append(x1)
ret.append(x2)
ret.append(x3)
print(idx)
for r in ret:
print(r, end=' ')
solution()
```

https://www.acmicpc.net/problem/20299

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