INP
        STA a
        INP
        STA b
        SUB a
        BRP schimba
        BRA continu
schimba LDA a
        STA aux
        LDA b
        STA a
        LDA aux
        STA b
continu LDA a
loop1   LDA b
        SUB a
        BRP rest
        LDA a
        SUB b
        STA a
        LDA contor
        ADD unu
        STA contor
        LDA a
        OUT
        LDA b
        OUT
        LDA contor
        OUT
        BRA loop1
rest    LDA contor
        OUT
        LDA a
        OUT
        HLT
a       DAT
b       DAT
aux     DAT
contor  DAT
unu     DAT 1