import java.util.*;
import java.lang.*;
import java.io.*;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double n;
    	int size;
    	boolean checker = false;
    	Scanner in = new Scanner(System.in);
		size = in.nextInt();
		for (int i = 0; i < size && checker == false; i++) {
			n = in.nextDouble();
			if (n <= 2.5) {  
				System.out.print(i + 1 +  " ");
				System.out.printf("%.2f", n); 
				checker = true;
			} 
		}
		if(checker == false) {
             System.out.println("Not Found");
		}
	}
}

aW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CmltcG9ydCBqYXZhLmlvLio7CiAKY2xhc3MgTWFpbgp7CglwdWJsaWMgc3RhdGljIHZvaWQgbWFpbiAoU3RyaW5nW10gYXJncykgdGhyb3dzIGphdmEubGFuZy5FeGNlcHRpb24KCXsKCQlkb3VibGUgbjsKICAgIAlpbnQgc2l6ZTsKICAgIAlib29sZWFuIGNoZWNrZXIgPSBmYWxzZTsKICAgIAlTY2FubmVyIGluID0gbmV3IFNjYW5uZXIoU3lzdGVtLmluKTsKCQlzaXplID0gaW4ubmV4dEludCgpOwoJCWZvciAoaW50IGkgPSAwOyBpIDwgc2l6ZSAmJiBjaGVja2VyID09IGZhbHNlOyBpKyspIHsKCQkJbiA9IGluLm5leHREb3VibGUoKTsKCQkJaWYgKG4gPD0gMi41KSB7ICAKCQkJCVN5c3RlbS5vdXQucHJpbnQoaSArIDEgKyAgIiAiKTsKCQkJCVN5c3RlbS5vdXQucHJpbnRmKCIlLjJmIiwgbik7IAoJCQkJY2hlY2tlciA9IHRydWU7CgkJCX0gCgkJfQoJCWlmKGNoZWNrZXIgPT0gZmFsc2UpIHsKICAgICAgICAgICAgIFN5c3RlbS5vdXQucHJpbnRsbigiTm90IEZvdW5kIik7CgkJfQoJfQp9

NQo2IDcuNSAyLjEgMi4wIDA=

5
6 7.5 2.1 2.0 0