package main

import (
	. "fmt"
	. "os"
	bf "bufio"
	"sort"
)

func min(a,b int) int {
	if a<b {
		return a
	}
	return b
}

func max(a,b int) int {
	return a+b-min(a,b)
}

func abs(a int64) int64 {
	if a < 0 {
		return -a
	}
	return a
}

func parttime(ls,rs,p []int, i,j int) (t int64) {
	pi := p[i]
	a, b := ls[pi], rs[pi]
	pj := p[j]
	c, d := ls[pj], rs[pj]
	x,y:=min(a,c),max(a,c)
	u,v:=min(b,d),max(b,d)
	t += int64(y-x)*100
	t += int64(v-u)*100
	return
}

func main() {
	rd:=bf.NewReader(Stdin)
	wr:=bf.NewWriter(Stdout)
	defer wr.Flush()
	
	var n,q,wt,st int
	Fscan(rd,&n,&q,&wt,&st)
	ws := make([]int, n)
	ls := make([]int, q)
	rs := make([]int, q)
	p := make([]int, q)
	for i := range ws {
		Fscan(rd,&ws[i])
	}
	for i := range ls {
		Fscan(rd,&ls[i],&rs[i])
		p[i] = i
	}
	sort.Slice(p, func(i, j int) bool {
		return ls[p[i]] < ls[p[j]]
	})
	const SZ=200
	offset:=0
	for k:=0;k<n; k+=SZ {
		ss:=0
		for _,i:=range p[offset:] {
			if ls[i]<k+SZ {
				ss++
			} else {
				break
			}
		}
		pp := p[offset:min(q,offset+ss)]
		offset+=ss
		var less func(i,j int) bool
		if k%2==0 {
			less = func(i,j int) bool {
				return rs[pp[i]]<rs[pp[j]]
			}
		} else {
			less = func(i,j int) bool {
				return rs[pp[i]]>rs[pp[j]]
			}
		}
		sort.Slice(pp, less)
	}
	
	for i, vp := range p {
		if i>0  {
			Fprint(wr, " ")
		}
		Fprint(wr, vp+1)
	}
	Fprintln(wr)
}