#include <iostream>
using namespace std;
void SWAP(int x, int y)
{
int temp = x;
x = y;
y = temp;
}
int main()
{
const char *a = "INFO";
int x = 1, y = 3;
SWAP(x, y);
a += y;
cout << a;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCnZvaWQgU1dBUChpbnQgeCwgaW50IHkpCnsKICAgIGludCB0ZW1wID0geDsKICAgIHggPSB5OwogICAgeSA9IHRlbXA7Cn0KCmludCBtYWluKCkKewogICAgY29uc3QgY2hhciAqYSA9ICJJTkZPIjsKICAgIGludCB4ID0gMSwgeSA9IDM7CiAgICBTV0FQKHgsIHkpOwogICAgYSArPSB5OwogICAgY291dCA8PCBhOwogICAgcmV0dXJuIDA7Cn0=