To get you started with problem A...

100.py

import fileinput


def main():
    for line in fileinput.input():
        i, j = [int(x) for x in line.split()]
        # beware the min and max!
        low = min(i, j)
        high = max(i, j)
        print('%d %d %d' % (i, j, solve(low, high)))


if __name__ == '__main__':
    main()