/******************************************
* (C)Copyright by N.T.T 1993(unpublished) *
* All rights are reserved.                *
******************************************/
module test {
    input     in1;
    input     in2;
    input     in3;
    input     in4;
    reg       a;
    reg       b;
    reg       c;
    reg       d;
    output    f1;
    output    f2;
    output    f3;
    instrin   start ;
    instruct start par {
        a := in1;
        b := in2;
        c := in3;
        d := in4;
        f1 = (^a & ^b & ^c & ^d)
           | (^a & ^b & ^c &  d)
           | (^a &  b & ^c & ^d)
           | ( a & ^b & ^c & ^d)
           | ( a &  b & ^c & ^d)
           | ( a &  b &  c &  d) ;
        f2 = (^a & ^b & ^c & ^d)
           | (^a & ^b & ^c &  d)
           | (^a &  b &  c &  d)
           | ( a & ^b & ^c & ^d) ;
        f3 = (^a & ^b & ^c &  d)
           | (^a &  b & ^c & ^d)
           | (^a &  b &  c &  d)
           | ( a & ^b & ^c &  d)
           | ( a & ^b &  c &  d)
           | ( a &  b & ^c & ^d)
           | ( a &  b & ^c &  d)
           | ( a &  b &  c &  d) ;
    }
}

/*
/* ^(not): 39 */ ===> /* inv-: 1 */
/* &(and): 54 */ ===> /* nand--3: 4, nand--4: 4 */
/* |(or) : 15 */ ===> /* nor--2: 1 */
*/