commands = {
    'prt': 0,
    'jmp': 1
}

program = """
    prt 202;
    jmp 3;
    prt 101;
    prt 256;
    prt 45;
"""
ignore = [chr(10), chr(13), chr(32)]


def string_copy(str, i, l):
    output = ""
    for char in range(i, i+l):
        output += str[char]
    return output


# COMPILE TO BYTECODE
tokens = []
values = []
tok = ''
for char in program:
    if char in ignore:
        continue
    if char == ';':
        cmd = string_copy(tok, 0, 3)
        val = string_copy(tok, 3, len(tok)-3)
        tokens.append(commands[cmd])
        values.append(int(val))
        tok = ''
    else:
        tok += char


i = 0
while i < (len(tokens)):
    if tokens[i] == 0:
        print('prt')
        print(values[i])
    elif tokens[i] == 1:
        i = values[i]-1
    i += 1

print(tokens)