# Number line jumps solution

## Problem statement

## Lessons learned

- Set up equations and solve by hand
- Brute-force solutio and then think of edge cases

## Solution

```
# Complete the kangaroo function below.
def kangaroo(x1, v1, x2, v2):
if (x1-x2<0) and (v1-v2<0):
return "NO"
k = (x2-x1)/(v2-v1)
if k.is_integer():
return "YES"
else:
return "NO"
```

Note: Fails on test case 10.