{"problem":{"name":"Move Right","description":{"content":"There are $4$ squares lined up horizontally. You are given a string $S$ of length $4$ consisting of `0` and `1`.   If the $i$\\-th character of $S$ is `1`, there is a person in the $i$\\-th square from ","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc247_a"},"statements":[{"statement_type":"Markdown","content":"There are $4$ squares lined up horizontally.\nYou are given a string $S$ of length $4$ consisting of `0` and `1`.  \nIf the $i$\\-th character of $S$ is `1`, there is a person in the $i$\\-th square from the left;  \nif the $i$\\-th character of $S$ is `0`, there is no person in the $i$\\-th square from the left.\nNow, everyone will move to the next square to the right simultaneously. By this move, the person who was originally in the rightmost square will disappear.\nDetermine if there will be a person in each square after the move. Print the result as a string in the same format as $S$. (See also Sample Input / Output for clarity.)\n\n## Constraints\n\n*   $S$ is a string of length $4$ consisting of `0` and `1`.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc247_a","tags":[],"sample_group":[["1011","0101\n\nAfter the move, the person who was originally in the $1$\\-st square will move to the $2$\\-nd square,  \nthe person in the $3$\\-rd square to the $4$\\-th square,  \nand the person in the $4$\\-th square will disappear."],["0000","0000"],["1111","0111"]],"created_at":"2026-03-03 11:01:13"}}