数学/CodeForces 483a Counterexample

 1 /*
 2     PROBLEM:CF 483A
 3     AUTHER:Nicole
 4     MEMO:数学
 5 */
 6 #include<cstdio>
 7 using namespace std;
 8 int main()
 9 {
10     long long l,r;
11     scanf("%lld%lld",&l,&r);
12     if (l%2!=0) l++;
13     //printf("%lld %lld\n",l,r);
14     if (r-l<2) printf("-1\n");
15     else printf("%lld %lld %lld\n",l,l+1,l+2);
16     return 0;
17 }