Pair

import java.math.BigDecimal;

public class Pair {
        private BigDecimal x, y;

        public BigDecimal getFst() { return x; }
        public BigDecimal getSnd() { return y; }

        public void setFst(BigDecimal a) { x = a; }
        public void setSnd(BigDecimal b) { y = b; }

        public String toString() { return (x.toString() + ", " + y.toString()); }

        Pair(BigDecimal a, BigDecimal b) { x = a; y = b; }
}