#include <stdio.h>
int main(){
    int arr[100];
    int m,n,x,i,j,t;
    scanf("%d %d",&n, &m);

    for(x=0; x<n; x++) arr[x] = x+1;

    while(m--){
        scanf("%d %d",&i,&j);
        for(x=0;x<(j-i+1)/2;x++){
            t = arr[i+x-1];
            arr[i+x-1] = arr[j-x-1];
            arr[j-x-1] = t;
        }
    }

    for(x=0; x<n; x++) printf("%d ",arr[x]);

    return 0;
}