#include <stdio.h>
#include <stdlib.h>
void zamjeni(int* a,int* b)
{
    int temp;
    temp=*a;
    *a=*b;
    *b=temp;
}

int main()
{
    int a=3;
    int b=5;
    zamjeni(a,b);
    printf("%d%d",a,b);
    return 0;
}