.class public fib.fib

.super java/lang/Object

.method public <init>()V

    aload_0

    invokenonvirtual java/lang/Object/<init>()V

    return

.end method

.method public static print(Ljava/lang/String;)V

    .limit locals 5

    .limit stack 5

    aload 0

    getstatic java/lang/System/out Ljava/io/PrintStream;

    swap

    invokevirtual java/io/PrintStream/print(Ljava/lang/String;)V

    return

.end method

.method public static write(I)V

    .limit locals 1

    .limit stack 2

    getstatic java/lang/System/out Ljava/io/PrintStream;

    iload 0

    invokevirtual java/io/PrintStream/println(I)V

    return

.end method

.method public static read()I

    .limit locals 10

    .limit stack 10

    ldc 0

    istore 1  ; this will hold our final integer

Label1:

    getstatic java/lang/System/in Ljava/io/InputStream;

    invokevirtual java/io/InputStream/read()I

    istore 2

    iload 2

    ldc 10   ; the newline delimiter

    isub

    ifeq Label2

    iload 2

    ldc 32   ; the space delimiter

    isub

    ifeq Label2

    iload 2

    ldc 48   ; we have our digit in ASCII, have to subtract it from 48

    isub

    ldc 10

    iload 1

    imul

    iadd

    istore 1

    goto Label1

Label2:

    ;when we come here we have our integer computed in local variable 1

    iload 1

    ireturn

.end method

.method public static main([Ljava/lang/String;)V

    .limit locals 200

    .limit stack 200

    ldc "Fib"

    invokestatic fib/fib/print(Ljava/lang/String;)V

    invokestatic fib/fib/read()I

    istore 0

    ldc 0

    istore 1

    ldc 1

    istore 2

Loop_start_1:

    iload 0

    ldc 0

    if_icmple Loop_end_0

    iload 2

    istore 3

    iload 1

    iload 2

    iadd

    istore 2

    iload 3

    istore 1

    iload 0

    ldc 1

    isub

    istore 0

    goto Loop_start_1

Loop_end_0:

    ldc "Result"

    invokestatic fib/fib/print(Ljava/lang/String;)V

    iload 2

    invokestatic fib/fib/write(I)V

    return

.end method