#include<bits/stdc++.h>
using namespace std;
int a[2000001];
int main()
{
	int n,m,ans=0;
	scanf("%d %d",&n,&m);
	scanf("%d ",&a[1]);
	printf("0\n");
	ans=a[1];
	for (int i=2;i<=n;i++){
		scanf("%d ",&a[i]);
		if (ans>a[i-1])ans=a[i-1]; 
		printf("%d\n",ans);
	}
	return 0;
}

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