{"problem":{"name":"camel Case","description":{"content":"You are given a string $S$ consisting of uppercase and lowercase English letters.   Here, exactly one character of $S$ is uppercase, and the others are all lowercase.   Find the integer $x$ such that ","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc291_a"},"statements":[{"statement_type":"Markdown","content":"You are given a string $S$ consisting of uppercase and lowercase English letters.  \nHere, exactly one character of $S$ is uppercase, and the others are all lowercase.  \nFind the integer $x$ such that the $x$\\-th character of $S$ is uppercase.  \nHere, the initial character of $S$ is considered the $1$\\-st one.\n\n## Constraints\n\n*   $S$ is a string of length between $2$ and $100$, inclusive, consisting of uppercase and lowercase English letters.\n*   $S$ has exactly one uppercase letter.\n\n## Input\n\nThe input is given from Standard Input in the following format:\n\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc291_a","tags":[],"sample_group":[["aBc","2\n\nThe $1$\\-st character of `aBc` is `a`, the $2$\\-nd is `B`, and the $3$\\-rd is `c`; the $2$\\-nd character is uppercase.  \nThus, $2$ should be printed."],["xxxxxxXxxx","7\n\nAn uppercase letter `X` occurs as the $7$\\-th character of $S=$`xxxxxxXxxx`, so $7$ should be printed."],["Zz","1"]],"created_at":"2026-03-03 11:01:14"}}