Please choose the correct ending to complete the given sentence: Travel: [header] How to address envelopes to japan [title] Address the letter to the recipient. [step] The recipient's address goes on the side of the envelope without a flap. Write the postal code in the boxes at the top.

Ending1: The mailing address should be written beneath the postal code boxes, top-to-bottom, right-to-left. After the address, write the recipient's name. Ending2: Your stamp's number is at the top of the postal code, are sometimes listed under the letter identifying it. Write it in line with the letters in the flap to show the letter is japanese. Ending3: [substeps] In english, the first letter with a closed flap means " address " or " mail ". In japanese, the same letters with a closed flap mean " send ". Ending4: [title] Use the postal service calculator. [step] See the form " do the addresses correspond? ".

Answer format: ending1/ending2/ending3/ending4