#include<stdio.h>
int cur,pre,n,days=1,max=0;
int main(){
    scanf("%d%d",&n,&cur);
    for(int i =1;i<n;i++){
        pre = cur;
        scanf("%d",&cur);
        if(cur >= pre){
            days+=1;
        }
        else{
            if(days>max){
                max = days;
                days = 1;
            }
        }
    }
    if(days>max){
        max = days;
    }
    printf("%d",max);
    return 0;
}