use std::io::Read;fn main(){let a=&mut"".into();std::io::stdin().read_to_end(a).unwrap();let(b,c,mut i,mut f)=(a.clone(),[160,80,1,1,78,1,1,1,1,79,81,81],0,0);let mut g=b.iter();loop{if*g.next().unwrap()&209!=0{break};i+=1;}loop{i-=c[f];a[i]^=13;f+=1;if f>11{break}};print!("{}",String::from_utf8_lossy(&a))}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).