a,b=input().split()
a,b=int(a),int(b)
sum=a+b
print(sum)
gw=sum%10
sw=sum//10%10
bw=sum//100
if sum>=100 and gw==bw:
    print("Yes")
else :
    if sum>=10 and sum<100 and gw==sw:
        print("Yes")
    else:
        if sum>=0 and sum<10:
            print("Yes")
        else :
            print("No")