#include <iostream>
using namespace std;

int main() {
	
	// your code goes here

unsigned int value = 0xffffffff;
unsigned int len = 32;
printf("0x%x\n", value << len); //will print 0xffffffff
printf("0x%x\n", 0xffffffff << 32); //will print 0x0
	return 0;
}