10 lines
235 B
Python
10 lines
235 B
Python
#!/usr/bin/env python3
|
|
|
|
lines = (x.strip() for x in open("input.txt"))
|
|
s = 0
|
|
|
|
for line in lines:
|
|
a, b, x, y = map(int, line.replace(',', '-').split('-'))
|
|
s += 1 if b >= x <= a <= y >= b or y >= a <= x <= b >= y else 0
|
|
|
|
print(s) |