#include using namespace std; int nand(int x, int y){ return 1 ^ (x & y); } int main(){ for(int i = 0; i < 7; i++){ int a = i / 4, b = (i % 4) / 2, c = i & 1; if(nand(nand(a,b),c) != nand(a,nand(b,c))){ cout << a << " " << b << " " << c << endl; return 0; } } }