zen_grid

gistfile1.py

import sys

line = raw_input()
temp = [int(x) for x in line.split()]
row, column = temp

def rowValue(row):
    if row > 2 and row % 2 == 1:
        return ((row - 1)/2) * 10
    elif row > 2 and row % 2 == 0:
        return (((row/2) -1)*10) +1
    elif row == 1:
        return 0
    elif row == 2:
        return 1

def final_value(row, column):
    num = rowValue(row)
    add = [0,2,4,6,8]
    return num + add[column - 1]

answer = final_value(row, column)

sys.stdout.write(str(answer))