def comp_version(p: str, q: str):
    v1 = {}
    v2 = {}
    v1[1] = p.find(".")
    v2[1] = q.find(".")
    v1[2] = p.find(".", v1[1]+1)
    v2[2] = q.find(".", v2[1]+1)
    v1["answer"]=1000*1000*int(p[0:v1[1]])
    v2["answer"]=1000*1000*int(q[0:v2[1]])
    v1["answer"]+=1000*int(p[v1[1]+1:v1[2]])
    v2["answer"]+=1000*int(q[v2[1]+1:v2[2]])
    v1["answer"]+=int(p[v1[2]+1:])
    v2["answer"]+=int(q[v2[2]+1:])
    result=v1["answer"]>=v2["answer"]
    return result


def main():
    p = input()
    q = input()
    result = "YES" if comp_version(p, q) else "NO"
    print(result)


if __name__ == "__main__":
    main()