1048

#include<cstdio>#include<cstring>#include<iostream>#include<algorithm>using namespace std;int num[1010] = { 0 };////////////////////!!!!!!!!!!!!!int main(){int n, m;scanf("%d%d", &n, &m);for (int i = 0; i < n; i++){int a;scanf("%d", &a);num[a]++;}int i = 0;for (; i <= 1000; i++){if (num[i] && num[m - i]){if (i == m - i&&num[i] <= 1)continue;printf("%d %d\n", i, m - i);return 0;}}printf("No Solution\n");return 0;}