#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a,s,qwe=0; cin>>a; for(int i=1;i<=a;i++){ cin>>s; if(s%10-s/1000-s/100%10-s/10%10>0){ qwe++; } } cout<<qwe; return 0; }