#include
#include
using namespace std;
int main() {int number1=-10000;
int n;
int i=0;
for( i=0;i<n;i++){
int number;
cin>>number;
if(number>number1){
number1=number;
continue;
}
else{
cout<<“false”;
break;
}
}
if(i==n){
cout<<“true”;
}
return 0;
}