#include <iostream>
using namespace std;
int main() {
int l = -5, r = -6;
int m1 = (l+r)/2, m2 = l + (r-l)/2, m3 = (r+l)>>1;
cout<<"m1: "<<m1<<endl;
cout<<"m2: "<<m2<<endl;
cout<<"m3: "<<m3<<endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgbCA9IC01LCByID0gLTY7CglpbnQgbTEgPSAobCtyKS8yLCBtMiA9IGwgKyAoci1sKS8yLCBtMyA9IChyK2wpPj4xOwoJY291dDw8Im0xOiAiPDxtMTw8ZW5kbDsKCWNvdXQ8PCJtMjogIjw8bTI8PGVuZGw7Cgljb3V0PDwibTM6ICI8PG0zPDxlbmRsOwoJcmV0dXJuIDA7Cn0=