#include <cstdio>
int v[122];
int main () {
    int n, last = 0, ans = 0;
    scanf("%d", &n);
    for(int i = 0, x; i<n; ++i) {
        scanf("%d", &x);
        if(x > last) ++ans;
        last = x;
    }

    printf("%d\n", ans);
}