module full_summator(a, b, c, p, sum);
    input a;
    input b;
    input c;
    output p;
    output sum;

    always @ (a, b, c) begin
        p = (a | b)&c | a&b;
        sum = a&b&c | (a | b | c)&~((a | b)&c | a&b);
    end

endmodule