class Solution {
public int solution(String t, String p) {
int answer = 0;
int size = p.length();
for(int i=0; i<t.length()-size+1; i++){
String sub = t.substring(i,i+size);
if (Long.parseLong(sub)<=Long.parseLong(p)){
answer++;
}
}
return answer;
}
}