#!/usr/bin/env python3
import re

def main():
    content = open('input', 'r').readlines()
    content = list(map(str.strip, content))
    for line in content:
        m = re.match('^(\d+),(\d+) -> (\d+),(\d+)')
        x1, y1, x2, y2 = m.groups(1)
        print(f'going from {x1},{y2} to {x2},{y2}')

if __name__ == "__main__":
    main()