思维题 URAL 1409 Two Gangsters

 1 /*
 2     思维题：注意题目一句话：At some moment it happened so that they shot one and the same can.
 3             如果两个人都有射中的话，肯定一个can同时被打中 
 4 */
 5 #include <bits/stdc++.h>
 6 using namespace std;
 7 
 8 int main(void)      //URAL 1409 Two Gangsters
 9 {
10     int a, b;
11     while (cin >> a >> b)
12     {
13         if (a && b) cout << b - 1 << " " << a - 1 << endl;
14         else    cout << b << " " << a << endl;
15     }
16 
17     return 0;
18 }