#include<stdio.h>
#include<conio.h>
unsigned int convert(unsigned int max3) {
if (max3 < 0)
 max3 = ~(-max3) + 1;
return max3;
}
main(){
unsigned int max3;
    while(max3<max3+1){
        max3=max3+1;
    }
convert(max3);
printf("%d",max3);
getch();
}

unsigned max = -1;

unsigned max = 0;
--max;