#include
using namespace std;
void f(int a, int b, int c) {
cout << a << b << c << '/';
if (a == 3 && b == 2 && c == 1)
return;
if (b < c)
f(a, c, b);
else if (a < b) {
if (a < c)
f(c, a, b);
else
f(b, c, a);
}
}
int main( ) {
int a, b, c;
cin >> a >> b >> c;
f(a, b, c);
cout << endl;
return 0;
} 输入: 1 3 2 输出：1
