n=int(input())
a,b=map(int,input().split())
l=list(map(int,input().split()))
s=sum(l)
d=a+b 
def sgn(t):
    if t>0:return 1
    else:return -1
if s<d or s%2!=d%2 or (n==1 and s!=d):
    print('NO')
else:
    print('YES')
    x,y=0,0
    q=[(0,0)]
    for v in l:
        d=abs(a-x)+abs(b-y)
        u=(s-d)//2
        if abs(b-y)>=v:
            if v<=u:
                x=x-v*sgn(a-x)
            else:
                x=x-u*sgn(a-x)
                y=y+(v-u)*sgn(b-y)
        elif abs(a-x)>=v:
            if v<=u:
                y=y-v*sgn(b-y)
            else:
                y=y-u*sgn(b-y)
                x=x+(v-u)*sgn(a-x)
        else:
            if v<=abs(a-x)+u:
                x=x+v*sgn(a-x)
            else:
                x=x+(abs(a-x)+u)*sgn(a-x)
                y=y+(v-(abs(a-x)+u))*sgn(b-y)
        q.append((x,y))
        s-=v
    print('\n'.join(' '.join(str(j) for j in i) for i in q))