最近回复得太少，唉，被扣币了

You can convert it into char variable as

    data _null_;
        length y $6;
    x=0;
        y=catx('-',put(x,monname3.), put(day(x),z2.));
        put y=;
        run;

You can convert it into char variable as

    data _null_;
    length y $6;
    x=0;
    y=catx('-',put(x,monname3.), put(day(x),z2.));
    put y=;
    run;

You can convert it into char variable as

    data _null_;
        length y $6;
    x=0;
        y=catx('-',put(x,monname3.), put(day(x),z2.));
        put y=;
        run;

学习了。