思维题 URAL 1409 Two Gangsters

 /*
思维题：注意题目一句话：At some moment it happened so that they shot one and the same can.
如果两个人都有射中的话，肯定一个can同时被打中
*/
#include <bits/stdc++.h>
using namespace std;

int main(void)      //URAL 1409 Two Gangsters
{
int a, b;
while (cin >> a >> b)
{
if (a && b) cout << b - 1 << " " << a - 1 << endl;
else    cout << b << " " << a << endl;
}

return 0;
}