package main
 
 import (
 	"fmt"
 	"strings"
 	"strconv"
 )
 
var n int = 4
var sum_of_squares int = 0
 
 
func sumOfSquares(strArray []string, iterate int) int{
    if iterate >= len(strArray) { 
        return sum_of_squares
    }
    number, _ := strconv.Atoi(strArray[iterate])
    if number > 0 {
	sum_of_squares += number*number
    }
 
    return sumOfSquares(strArray, iterate+1)
}
func main() {
 	str := "9 6 -53 32 16"
 	strArray := strings.Fields(str)
 	result := sumOfSquares(strArray, 0)
 	fmt.Println(sum_of_squares, result)
 }

IHBhY2thZ2UgbWFpbgoKIGltcG9ydCAoCiAJImZtdCIKIAkic3RyaW5ncyIKIAkic3RyY29udiIKICkKCnZhciBuIGludCA9IDQKdmFyIHN1bV9vZl9zcXVhcmVzIGludCA9IDAKCgpmdW5jIHN1bU9mU3F1YXJlcyhzdHJBcnJheSBbXXN0cmluZywgaXRlcmF0ZSBpbnQpIGludHsKICAgIGlmIGl0ZXJhdGUgPj0gbGVuKHN0ckFycmF5KSB7IAogICAgICAgIHJldHVybiBzdW1fb2Zfc3F1YXJlcwogICAgfQogICAgbnVtYmVyLCBfIDo9IHN0cmNvbnYuQXRvaShzdHJBcnJheVtpdGVyYXRlXSkKICAgIGlmIG51bWJlciA+IDAgewoJc3VtX29mX3NxdWFyZXMgKz0gbnVtYmVyKm51bWJlcgogICAgfQoKICAgIHJldHVybiBzdW1PZlNxdWFyZXMoc3RyQXJyYXksIGl0ZXJhdGUrMSkKfQpmdW5jIG1haW4oKSB7CiAJc3RyIDo9ICI5IDYgLTUzIDMyIDE2IgogCXN0ckFycmF5IDo9IHN0cmluZ3MuRmllbGRzKHN0cikKIAlyZXN1bHQgOj0gc3VtT2ZTcXVhcmVzKHN0ckFycmF5LCAwKQogCWZtdC5QcmludGxuKHN1bV9vZl9zcXVhcmVzLCByZXN1bHQpCiB9