def txt_to_json(calories, proteins, fats, carbohydrates):
# Format the string manually
result = "{" + f'"Calories":{calories}, "Proteins": {proteins}, "Fats": {fats}, "Carbohydrates":{carbohydrates}' + "}"
return result
# Example usage:
calories = 100
proteins = 30
fats = 40
carbohydrates = 30
print(txt_to_json(calories, proteins, fats, carbohydrates))
ZGVmIHR4dF90b19qc29uKGNhbG9yaWVzLCBwcm90ZWlucywgZmF0cywgY2FyYm9oeWRyYXRlcyk6CiAgICAjIEZvcm1hdCB0aGUgc3RyaW5nIG1hbnVhbGx5CiAgICByZXN1bHQgPSAieyIgKyBmJyJDYWxvcmllcyI6e2NhbG9yaWVzfSwgIlByb3RlaW5zIjoge3Byb3RlaW5zfSwgIkZhdHMiOiB7ZmF0c30sICJDYXJib2h5ZHJhdGVzIjp7Y2FyYm9oeWRyYXRlc30nICsgIn0iCiAgICAKICAgIHJldHVybiByZXN1bHQKCiMgRXhhbXBsZSB1c2FnZToKY2Fsb3JpZXMgPSAxMDAKcHJvdGVpbnMgPSAzMApmYXRzID0gNDAKY2FyYm9oeWRyYXRlcyA9IDMwCgpwcmludCh0eHRfdG9fanNvbihjYWxvcmllcywgcHJvdGVpbnMsIGZhdHMsIGNhcmJvaHlkcmF0ZXMpKQo=