def countX(steps):
    min_row = -1
    min_column = -1
    for step in steps:
        row, column = [int(aux) for aux in step.strip().split()]
        if min_row == -1 or row < min_row:
            min_row = row
        if min_column == -1 or column < min_column:
            min_column = column
    return min_row * min_column

a7427c83c69df19f6c4c36d8320da9f5c797031c
<mask token>

def countX(steps):
    min_row = -1
    min_column = -1
    for step in steps:
        row, column = [int(aux) for aux in step.strip().split()]
        if min_row == -1 or row < min_row:
            min_row = row
        if min_column == -1 or column < min_column:
            min_column = column
    return min_row * min_column
