_(1)

file  = open('inf_e_20090515_i_04_csoki.txt')
dmmy  = file.readline()
l_chck= file.readlines()
for i in range(len(l_chck)):
    l_chck[i]= l_chck[i].split()
    for j in range(len(l_chck[i])):
        l_chck[i][j]= int(l_chck[i][j])

file  = open('inf_e_20090515_i_04_vasarlas.txt')
dmmy  = file.readline()
l_prch= file.readlines()
for i in range(len(l_prch)):
    l_prch[i]= l_prch[i].split()
    for j in range(len(l_prch[i])):
        l_prch[i][j]= int(l_prch[i][j])