Reibello AoC 12

#aoc 2016 12a
input_file_object = open("aoc16_input_12a.txt")
input_as_string = input_file_object.read()
input_file_object.close()

input_separated = input_as_string.split('\n')


input_final = []

def cpy(x, y):
    #print('cpy',x, y)
    if x.isdigit():
        x = int(x)
    else:
        x = reg[x]
    reg[y] = x

def inc(x):
    #print('inc',x,)
    reg[x] +=1
def dec(x):
    #print('dec', x)
    reg[x] -=1
def jnz(val, dist, iterator):
    if val.isdigit() and val != '0':
        return int(dist)
    elif reg[val] != 0:
        return int(dist)
    else:
        return 1


for x in range(len(input_separated)):
    input_final.append(input_separated[x].split(' '))


reg = {'a':0, 'b':0, 'c':1, 'd':0}

x=0

while x < len(input_final):
    if input_final[x][0] == 'cpy':
        cpy(input_final[x][1], input_final[x][2])
        x +=1
    elif input_final[x][0] == 'inc':
        inc(input_final[x][1])
        x+=1
    elif input_final[x][0] == 'dec':
        dec(input_final[x][1])
        x+=1
    elif input_final[x][0] == 'jnz':
        x+= jnz(input_final[x][1],input_final[x][2],x)