#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
    int n,t=1,count=0; 
    scanf("%d",&n);
    int *height = malloc(sizeof(int) * n);
    for(int height_i = 0; height_i < n; height_i++){
       scanf("%d",&height[height_i]);
        if(t<height_i)
            {
            t=height_i;
            ++count;
        }
        else if(t>height_i)
            {
           t=t;
            //++count;
        }
    }printf("%d",count);
    return 0;
}