#include <stdio.h>
#include <stdlib.h>

int main(void)
{
 int a,
     b;
 int n=0,
     max=1,
     s=1;
 int i;
 
 printf("\nEnter quantiy of numbers: ");
 scanf("%d",&n);
 switch (n)
 {
  case 0: 
  {
   printf("\nMax series: 0\n");
   break;
  }
  case 1: 
  { 
   printf("\nEnter numbers:\n");
   scanf("%d",&a);
   printf("\nMax lenght: 1\n");
   break;
  }
  
  default :
  {
   printf("\nEnter numbers:\n");
   scanf("%d",&a);
   for (i=2;i<=n;i++)
   {
    scanf("%d",&b);
    if(a<=b) s++;
    else s=1;
    if(s>max) max=s;    
   a=b;
   }
   printf("Max series: %d\n",max); 
   break;
  }
 } 
  return 0;
}