#include <stdio.h>

#define maxn 50010

int n,m;
int a[maxn], p[maxn];

int main()
{
    freopen("sortaret.in","r",stdin);
    freopen("sortaret.out","w",stdout);
    
    scanf("%d %d ",&n,&m);
    
    int i,x,y;
    
    for (i=1;i<=n;i++) a[i] = p[i] = i;
    
    for (i=1;i<=m;i++)
    {
        scanf("%d %d ",&x,&y);
        if (p[x] > p[y])
        {
             int aux;
             aux = a[x], a[x] = a[y], a[y] = aux;
             
             p[a[x]] = x;
             p[a[y]] = y;
        }
    }
    
    for (i=1;i<=n;i++) printf("%d ",a[i]);
    
    return 0;
}